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gpage分页管理开发中
This commit is contained in:
John
@ -9,20 +9,25 @@ package gpage
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import (
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"gitee.com/johng/gf/g/net/ghttp"
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"math"
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"fmt"
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"net/url"
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"gitee.com/johng/gf/g/util/gconv"
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"strings"
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)
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type Page struct {
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request *ghttp.Request
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pageName string // page标签，用来控制url页。比如说xxx.php?PBPage=2中的PBPage
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nextPage string // 下一页标签
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prePage string // 上一页标签
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firstPage string // 首页标签
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lastPage string // 尾页标签
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pre_bar string // 上一分页条
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next_bar string // 下一分页条
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pageName string // 分页参数名称
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nextPageTag string // 下一页标签
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prevPageTag string // 上一页标签
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firstPageTag string // 首页标签
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lastPageTag string // 尾页标签
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prevBar string // 上一分页条
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nextBar string // 下一分页条
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formatLeft string
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formatRight string
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isAjax bool // 是否支持AJAX分页模式
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isAjax bool // 是否支持AJAX分页模式
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totalSize int
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pagebarNum int // 控制记录条的个数。
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totalPage int // 总页数
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@ -31,98 +36,45 @@ type Page struct {
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url string // url地址头
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offset int
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}
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/**
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* constructor构造函数
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*
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* @param array array['total'], array['perpage'], array['currentPage'], array['url'], array['ajax']...
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*/
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func New(total, perpage int) {
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total = intval(array['total']);
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perpage = (array_key_exists('perpage',array)) ? intval(array['perpage']) : 10;
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currentPage = (array_key_exists('currentPage',array)) ? intval(array['currentPage']) : '';
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url = (array_key_exists('url',array)) ? array['url'] : '';
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func New(totalSize, perPage, currentPage int, url string) *Page {
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page := &Page {
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pageName : "page",
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totalSize : totalSize,
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totalPage : int(math.Ceil(float64(totalSize/perPage))),
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currentPage : currentPage,
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offset : (currentPage - 1)*perPage,
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url : url,
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}
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if strings.Index(url, "?") != -1 {
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page.url = url + "&"
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} else {
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total = array;
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perpage = 10;
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currentPage ='';
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url = '';
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}
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if ((!is_int(total)) || (total < 0)) {
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this->_error(__FUNCTION__, 'invalid total');
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}
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if ((!is_int(perpage)) || (perpage <= 0)) {
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this->_error(__FUNCTION__, 'invalid perpage');
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}
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if (!empty(array['pageName'])) {
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// 设置pagename
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this->set('pageName', array['pageName']);
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}
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this->_setCurrentPage(currentPage); // 设置当前页
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this->_setUrl(url); // 设置链接地址
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this->totalSize = total;
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this->totalPage = ceil(total/perpage);
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this->offset = (this->currentPage-1)*perpage;
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if (!empty(array['ajax'])) {
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this->openAjax(array['ajax']);//打开AJAX模式
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page.url = url + "?"
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}
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page.url += page.pageName + "="
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return page
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}
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// 启用AJAX分页
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func (page *Page)EnableAjax(actionName string) {
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page.isAjax = true
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page.ajaxActionName = actionName
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}
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/**
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* 设定类中指定变量名的值，如果改变量不属于这个类，将throw一个exception
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*
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* @param string var
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* @param string value
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*/
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public function set(var, value)
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{
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if (inArray(var, get_object_vars(this))) {
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this->var = value;
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} else {
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this->_error(__FUNCTION__, var." does not belong to PB_Page!");
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// 获取显示"下一页"的内容.
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func (page *Page) nextPage(curStyle , style string) string {
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if page.currentPage < page.totalPage {
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return page._getLink(page._getUrl(page.currentPage + 1), page.nextPageTag, "下一页", style)
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}
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return fmt.Sprintf(`<span class="%s">%s</span>`, curStyle, page.nextPageTag)
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}
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}
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/**
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* 使用AJAX模式。
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*
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* @param string action 默认ajax触发的动作名称。
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*
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* @return void
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*/
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public function openAjax(action)
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{
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this->isAjax = true;
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this->ajaxActionName = action;
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}
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/**
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* 获取显示"下一页"的代码.
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*
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* @param string style
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* @return string
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*/
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public function nextPage(curStyle = '', style = '')
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{
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if (this->currentPage < this->totalPage) {
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return this->_getLink(this->_getUrl(this->currentPage+1), this->nextPage, '下一页', style);
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}
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return '<span class="'.curStyle.'">'.this->nextPage.'</span>';
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}
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/**
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* 获取显示“上一页”的代码
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*
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* @param string style
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* @return string
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*/
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public function prePage(curStyle='', style='')
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{
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if (this->currentPage > 1) {
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return this->_getLink(this->_getUrl(this->currentPage - 1), this->prePage, '上一页', style);
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}
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return '<span class="'.curStyle.'">'.this->prePage.'</span>';
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/// 获取显示“上一页”的内容
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func (page *Page) prevPage(curStyle , style string) string {
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if page.currentPage > 1 {
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return page._getLink(page._getUrl(page.currentPage - 1), page.prevPageTag, "上一页", style)
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}
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return fmt.Sprintf(`<span class="%s">%s</span>`, curStyle, page.prevPageTag)
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}
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/**
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@ -130,87 +82,63 @@ return '<span class="'.curStyle.'">'.this->prePage.'</span>';
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*
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* @return string
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*/
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public function firstPage(curStyle = '', style = '')
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{
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if (this->currentPage == 1) {
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return '<span class="'.curStyle.'">'.this->firstPage.'</span>';
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}
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return this->_getLink(this->_getUrl(1), this->firstPage, '第一页', style);
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func (page *Page)firstPage(curStyle, style string) string {
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if page.currentPage == 1 {
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return fmt.Sprintf(`<span class="%s">%s</span>`, curStyle, page.firstPageTag)
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}
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return page._getLink(page._getUrl(1), page.firstPageTag, "第一页", style)
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}
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/**
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* 获取显示“尾页”的代码
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*
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* @return string
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*/
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public function lastPage(curStyle='', style='')
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{
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if (this->currentPage == this->totalPage) {
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return '<span class="'.curStyle.'">'.this->lastPage.'</span>';
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}
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return this->_getLink(this->_getUrl(this->totalPage), this->lastPage, '最后页', style);
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// 获取显示“尾页”的内容
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func (page *Page)lastPage(curStyle, style string) string {
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if page.currentPage == page.totalPage {
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return fmt.Sprintf(`<span class="%s">%s</span>`, curStyle, page.lastPageTag)
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}
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return page._getLink(page._getUrl(page.totalPage), page.lastPageTag, "最后页", style)
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}
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/**
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* 获得分页条。
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*
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* @param 当前页码 curStyle
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* @param 连接CSS style
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* @return 分页条字符串
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*/
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public function nowbar(curStyle = '', style = '')
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{
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plus = ceil(this->pagebarNum / 2);
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if (this->pagebarNum - plus + this->currentPage > this->totalPage) {
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plus = (this->pagebarNum - this->totalPage + this->currentPage);
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}
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begin = this->currentPage - plus + 1;
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begin = (begin>=1) ? begin : 1;
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return = '';
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for (i = begin; i < begin + this->pagebarNum; i++) {
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if (i <= this->totalPage) {
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if (i != this->currentPage) {
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return .= this->_getText(this->_getLink(this->_getUrl(i), i, style));
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} else {
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return .= this->_getText('<span class="'.curStyle.'">'.i.'</span>');
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}
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} else {
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break;
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}
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return .= "\n";
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}
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unset(begin);
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return return;
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// 获得分页条。
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func (page *Page) nowBar(curStyle, style string) string {
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plus := int(math.Ceil(float64(page.pagebarNum / 2)))
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if page.pagebarNum - plus + page.currentPage > page.totalPage {
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plus = page.pagebarNum - page.totalPage + page.currentPage
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}
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begin := page.currentPage - plus + 1
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if begin < 1 {
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begin = 1
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}
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ret := ""
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for i := begin; i < begin + page.pagebarNum; i++ {
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if i <= page.totalPage {
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if i != page.currentPage {
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ret += page._getText(page._getLink(page._getUrl(i), gconv.String(i), style, ""))
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} else {
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ret += page._getText(fmt.Sprintf(`<span class="%s">%d</span>`, curStyle, i))
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}
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} else {
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break
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}
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ret += "\n"
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}
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return ret
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}
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/**
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* 获取显示跳转按钮的代码
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*
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* @return string
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*/
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public function select()
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{
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url = this->_getUrl("' + this.value");
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return = "<select name=\"PB_Page_Select\" onchange=\"window.location.href='url\">";
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for (i=1; i <= this->totalPage; i++) {
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if (i==this->currentPage) {
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return .= '<option value="'.i.'" selected>'.i.'</option>';
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} else {
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return .= '<option value="'.i.'">'.i.'</option>';
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}
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}
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unset(i);
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return .= '</select>';
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return return;
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}
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/**
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* 获取mysql 语句中limit需要的值
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*
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* @return string
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*/
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public function offset()
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{
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return this->offset;
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func (page *Page) selectBar() string {
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url := page._getUrl("' + this.value")
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ret := fmt.Sprintf(`<select name="gpage_select" onchange="window.location.href='%s'">`, url)
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for i := 1; i <= page.totalPage; i++ {
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if (i == page.currentPage) {
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ret += fmt.Sprintf(`<option value="%d" selected>%d</option>`, i, i)
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} else {
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ret += fmt.Sprintf(`<option value="%d">%d</option>`, i, i)
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}
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}
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ret += "</select>"
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return ret
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}
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/**
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@ -219,147 +147,67 @@ return this->offset;
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* @param int mode 显示风格分类。
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* @return string
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*/
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public function show(mode = 1)
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{
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switch (mode) {
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case '1':
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this->nextPage = '下一页';
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this->prePage = '上一页';
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return this->prePage()."<span class=\"current\">{this->currentPage}</span>".this->nextPage();
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break;
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case '2':
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this->nextPage = '下一页>>';
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this->prePage = '<<上一页';
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this->firstPage = '首页';
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this->lastPage = '尾页';
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return this->firstPage().this->prePage().'<span class="current">[第'.this->currentPage.'页]</span>'.this->nextPage().this->lastPage().'第'.this->select().'页';
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break;
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case '3':
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this->nextPage = '下一页';
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this->prePage = '上一页';
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this->firstPage = '首页';
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this->lastPage = '尾页';
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pageStr = this->firstPage()." ".this->prePage();
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pageStr .= ' '.this->nowbar('current');
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pageStr .= ' '.this->nextPage()." ".this->lastPage();
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pageStr .= "<span>当前页{this->currentPage}/{this->totalPage}</span> <span>共{this->totalSize}条</span>";
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return pageStr;
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break;
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case '4':
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this->nextPage = '下一页';
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this->prePage = '上一页';
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this->firstPage = '首页';
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this->lastPage = '尾页';
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pageStr = this->firstPage()." ".this->prePage();
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pageStr .= ' '.this->nowbar('current');
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pageStr .= ' '.this->nextPage()." ".this->lastPage();
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return pageStr;
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break;
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func (page *Page)show(mode int) string {
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//switch (mode) {
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//case '1':
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//page.nextPage = '下一页'
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//page.prevPage = '上一页'
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//return page.prevPage()."<span class=\"current\">{page.currentPage}</span>".page.nextPage()
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//break
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//
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//case '2':
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//page.nextPage = '下一页>>'
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//page.prevPage = '<<上一页'
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//page.firstPage = '首页'
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//page.lastPage = '尾页'
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//return page.firstPage().page.prevPage().'<span class="current">[第'.page.currentPage.'页]</span>'.page.nextPage().page.lastPage().'第'.page.select().'页'
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//break
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//
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//case '3':
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//page.nextPage = '下一页'
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//page.prevPage = '上一页'
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//page.firstPage = '首页'
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//page.lastPage = '尾页'
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//pageStr = page.firstPage()." ".page.prevPage()
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//pageStr .= ' '.page.nowbar('current')
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//pageStr .= ' '.page.nextPage()." ".page.lastPage()
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//pageStr .= "<span>当前页{page.currentPage}/{page.totalPage}</span> <span>共{page.totalSize}条</span>"
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//return pageStr
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//break
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//
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//case '4':
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//page.nextPage = '下一页'
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//page.prevPage = '上一页'
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//page.firstPage = '首页'
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//page.lastPage = '尾页'
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//pageStr = page.firstPage()." ".page.prevPage()
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//pageStr .= ' '.page.nowbar('current')
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//pageStr .= ' '.page.nextPage()." ".page.lastPage()
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//return pageStr
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//break
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//}
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return ""
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}
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// 为指定的页面返回地址值
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func (page *Page) _getUrl(pageNoStr string) string {
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return page.url + pageNoStr
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}
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/*----------------private function (私有方法)-----------------------------------------------------------*/
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/**
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* 设置url头地址
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* @param: string url
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* @return boolean
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*/
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private function _setUrl(url = "")
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{
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if (!empty(url)) {
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//手动设置
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this->url = url.((stristr(url,'?')) ? '&' : '?').this->pageName."=";
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} else {
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parse = parse_url(_SERVER['REQUEST_URI']);
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query = array();
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if (!empty(parse['query'])) {
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parse_str(parse['query'], query);
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if (!empty(query) && isset(query[this->pageName])) {
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unset(query[this->pageName]);
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}
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}
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array = explode('?', _SERVER['REQUEST_URI']);
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if (!empty(query)) {
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this->url = array[0].'?'.http_build_query(query)."&{this->pageName}=";
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} else {
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this->url = array[0]."?{this->pageName}=";
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}
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}
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// 获取分页显示文字，比如说默认情况下_getText('<a href="">1</a>')将返回[<a href="">1</a>]
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func (page *Page)_getText(str string) string {
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return page.formatLeft + str + page.formatRight
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}
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/**
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* 设置当前页面
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*/
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private function _setCurrentPage(currentPage)
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{
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if(empty(currentPage)) {
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// 系统获取
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if(isset(_GET[this->pageName])) {
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this->currentPage = intval(_GET[this->pageName]);
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}
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} else {
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//手动设置
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this->currentPage = intval(currentPage);
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}
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// 获取链接地址
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func (page *Page)_getLink(url, text, title, style string) string {
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if len(style) > 0 {
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style = fmt.Sprintf(`class="%s"`, style)
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}
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if (page.isAjax) {
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return fmt.Sprintf(`<a %s href='#' onclick="%s('%s')">%s</a>`, style, page.ajaxActionName, url, text)
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} else {
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return fmt.Sprintf(`"<a %s href="%s" title="%s">%s</a>"`, style, url, title, text)
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}
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}
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/**
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* 为指定的页面返回地址值
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*
|
||||
* @param int pageNo
|
||||
* @return string url
|
||||
*/
|
||||
private function _getUrl(pageNo=1)
|
||||
{
|
||||
return this->url.pageNo;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取分页显示文字，比如说默认情况下_getText('<a href="">1</a>')将返回[<a href="">1</a>]
|
||||
*
|
||||
* @param String str
|
||||
* @return string url
|
||||
*/
|
||||
private function _getText(str)
|
||||
{
|
||||
return this->formatLeft.str.this->formatRight;
|
||||
}
|
||||
|
||||
//获取链接地址
|
||||
private function _getLink(url, text, title='', style='')
|
||||
{
|
||||
style = (empty(style)) ? '' : 'class="'.style.'"';
|
||||
if (this->isAjax) {
|
||||
//如果是使用AJAX模式
|
||||
return "<a style href='#' onclick=\"{this->ajaxActionName}('url');\">text</a>";
|
||||
} else {
|
||||
return "<a style href='url' title='title'>text</a>";
|
||||
}
|
||||
}
|
||||
|
||||
//出错处理方式
|
||||
/**
|
||||
* 展示错误病终止执行.
|
||||
*
|
||||
* @param string function 错误产生的函数名称.
|
||||
* @param string errormsg 错误信息.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
private function _error(function, errormsg)
|
||||
{
|
||||
die('Error in file <b>'.__FILE__.'</b> ,Function <b>'.function.'()</b> :'.errormsg);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user