Name: {{.name}}
+Age: {{.age}}
+Score:{{.score}}
+ + + `) +} + +func main() { + s := ghttp.GetServer() + s.BindController("/template", &ControllerTemplate{}) + s.SetPort(8199) + s.Run() +} +``` + +## 数据校验 +```go +rule := "url|min-length:11" +msgs := map[string]string{ + "url" : "请输入正确的URL地址", + "minlength" : "地址长度至少为:min位" +} +fmt.Println(gvalid.Check("http://gfjohngcn", rule, msgs)) +``` + +## 数据库ORM +1. **方法操作** + 1. **获取ORM单例对象** ```go - package main - - import "gitee.com/johng/gf/g/net/ghttp" - - func main() { - s := ghttp.GetServer() - s.Domain("127.0.0.1").BindHandler("/", func(r *ghttp.Request) { - r.Response.Write("127.0.0.1") - }) - s.Domain("localhost").BindHandler("/", func(r *ghttp.Request) { - r.Response.Write("localhost") - }) - s.Run() - } - ``` - 1. 多域名绑定支持： - ```go - package main - - import "gitee.com/johng/gf/g/net/ghttp" - - func main() { - s := ghttp.GetServer() - s.Domain("localhost").BindHandler("/", func(r *ghttp.Request) { - r.Response.Write("localhost") - }) - s.Domain("localhost1，localhost2，localhost3").BindHandler("/", func(r *ghttp.Request) { - r.Response.Write("localhostx") - }) - s.Run() - } + // 获取默认配置的数据库对象(配置名称为"default") + db, err := gdb.Instance() + // 获取配置分组名称为"user-center"的数据库对象 + db, err := gdb.Instance("user-center") ``` -1. **服务注册** - ```go - package main - - import ( - "gitee.com/johng/gf/g/net/ghttp" - "gitee.com/johng/gf/g/frame/gmvc" - ) - - // 定义业务相关的控制器对象 - type ControllerUser struct { - gmvc.Controller - } - // 定义操作逻辑 - 展示姓名 - func (c *ControllerUser) Name() { - c.Response.Write("John") - } - - // 定义操作逻辑 - 展示年龄 - func (c *ControllerUser) Age() { - c.Response.Write("18") - } - - func main() { - // 绑定控制器到指定URI，所有控制器的公开方法将会映射到指定URI末尾 - // 例如该方法执行后，查看效果可访问： - // http://127.0.0.1:8199/user/name - // http://127.0.0.1:8199/user/age - s := ghttp.GetServer() - s.BindController("/user", &ControllerUser{}) - s.Run() - } - ``` - -1. **路由控制** - - ```go - package main - - import "gitee.com/johng/gf/g/net/ghttp" - - func main() { - s := ghttp.GetServer() - s.BindHandler("/:name", func(r *ghttp.Request){ - r.Response.Write(r.Get("name")) + 2. **数据写入** + ```go + r, err := db.Insert("user", gdb.Map { + "name": "john", }) - s.BindHandler("/:name/:action", func(r *ghttp.Request){ - r.Response.Write(r.Get("name")) - r.Response.Write(r.Get("action")) - }) - s.BindHandler("/:name/*any", func(r *ghttp.Request){ - r.Response.Write(r.Get("name")) - r.Response.Write(r.Get("any")) - }) - s.SetPort(8199) - s.Run() - } - ``` + ``` -1. **模板引擎** - - ```go - package main - - import ( - "gitee.com/johng/gf/g/net/ghttp" - "gitee.com/johng/gf/g/frame/gmvc" - ) - - type ControllerTemplate struct { - gmvc.Controller - } - - func (c *ControllerTemplate) Info() { - c.View.Assign("name", "john") - c.View.Assigns(map[string]interface{}{ - "age" : 18, - "score" : 100, + 3. **数据查询(列表)** + ```go + list, err := db.GetAll("select * from user limit 2") + ``` + + 4. **数据查询(单条)** + ```go + one, err := db.GetOne("select * from user limit 2") + // 或者 + one, err := db.GetOne("select * from user where uid=1000") + ``` + + 5. **数据保存** + ```go + r, err := db.Save("user", gdb.Map { + "uid" : 1, + "name" : "john", }) - c.View.Display("user/index.tpl") - } - - func main() { - s := ghttp.GetServer() - s.BindControllerMethod("/template", &ControllerTemplate{}, "Info") - s.Run() - } - ``` + ``` -1. **数据校验** - ```go - rule := "url|min-length:11" - msgs := map[string]string{ - "url" : "请输入正确的URL地址", - "minlength" : "地址长度至少为:min位" - } - fmt.Println(gvalid.Check("http://gfjohngcn", rule, msgs)) - ``` - -1. **数据库ORM** + 7. **数据更新/删除** + ```go + // db.Update/db.Delete 同理 + r, err := db.Update("user", gdb.Map {"name": "john"}, "uid=?", 10000) + r, err := db.Update("user", "name='john'", "uid=10000") + r, err := db.Update("user", "name=?", "uid=?", "john", 10000) + ``` - 1. **方法操作** - 1. **获取ORM单例对象** - ```go - // 获取默认配置的数据库对象(配置名称为"default") - db, err := gdb.Instance() - // 获取配置分组名称为"user-center"的数据库对象 - db, err := gdb.Instance("user-center") - ``` - - 2. **数据写入** - ```go - r, err := db.Insert("user", gdb.Map { - "name": "john", - }) - ``` - - 3. **数据查询(列表)** - ```go - list, err := db.GetAll("select * from user limit 2") - ``` - - 4. **数据查询(单条)** - ```go - one, err := db.GetOne("select * from user limit 2") - // 或者 - one, err := db.GetOne("select * from user where uid=1000") - ``` - - 5. **数据保存** - ```go - r, err := db.Save("user", gdb.Map { +1. **链式操作** + + 1. **链式查询** + ```go + // 查询多条记录并使用Limit分页 + r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*, ud.site").Where("u.uid > ?", 1).Limit(0, 10).Select() + // 查询符合条件的单条记录(第一条) + r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*,ud.site").Where("u.uid=?", 1).One() + // 查询字段值 + r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("ud.site").Where("u.uid=?", 1).Value() + // 分组及排序 + r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*,ud.city").GroupBy("city").OrderBy("register_time asc").Select() + ``` + + 2. **链式更新/删除** + ```go + // 更新 + r, err := db.Table("user").Data(gdb.Map{"name" : "john2"}).Where("name=?", "john").Update() + r, err := db.Table("user").Data("name='john3'").Where("name=?", "john2").Update() + // 删除 + r, err := db.Table("user").Where("uid=?", 10).Delete() + ``` + + 3. **链式写入/保存** + ```go + r, err := db.Table("user").Data(gdb.Map{"name": "john"}).Insert() + r, err := db.Table("user").Data(gdb.Map{"uid": 10000, "name": "john"}).Replace() + r, err := db.Table("user").Data(gdb.Map{"uid": 10001, "name": "john"}).Save() + ``` + +1. **事务操作** + + 1. **开启事务操作** + ```go + if tx, err := db.Begin(); err == nil { + fmt.Println("开启事务操作") + } + ``` + 2. **事务回滚操作** + ```go + if tx, err := db.Begin(); err == nil { + r, err := tx.Save("user", gdb.Map{ "uid" : 1, "name" : "john", }) - ``` - - 7. **数据更新/删除** - ```go - // db.Update/db.Delete 同理 - r, err := db.Update("user", gdb.Map {"name": "john"}, "uid=?", 10000) - r, err := db.Update("user", "name='john'", "uid=10000") - r, err := db.Update("user", "name=?", "uid=?", "john", 10000) - ``` - - 1. **链式操作** - - 1. **链式查询** - ```go - // 查询多条记录并使用Limit分页 - r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*, ud.site").Where("u.uid > ?", 1).Limit(0, 10).Select() - // 查询符合条件的单条记录(第一条) - r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*,ud.site").Where("u.uid=?", 1).One() - // 查询字段值 - r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("ud.site").Where("u.uid=?", 1).Value() - // 分组及排序 - r, err := db.Table("user u").LeftJoin("user_detail ud", "u.uid=ud.uid").Fields("u.*,ud.city").GroupBy("city").OrderBy("register_time asc").Select() - ``` - - 2. **链式更新/删除** - ```go - // 更新 - r, err := db.Table("user").Data(gdb.Map{"name" : "john2"}).Where("name=?", "john").Update() - r, err := db.Table("user").Data("name='john3'").Where("name=?", "john2").Update() - // 删除 - r, err := db.Table("user").Where("uid=?", 10).Delete() - ``` - - 3. **链式写入/保存** - ```go - r, err := db.Table("user").Data(gdb.Map{"name": "john"}).Insert() - r, err := db.Table("user").Data(gdb.Map{"uid": 10000, "name": "john"}).Replace() - r, err := db.Table("user").Data(gdb.Map{"uid": 10001, "name": "john"}).Save() - ``` - - 1. **事务操作** - - 1. **开启事务操作** - ```go - if tx, err := db.Begin(); err == nil { - fmt.Println("开启事务操作") - } - ``` - 2. **事务回滚操作** - ```go - if tx, err := db.Begin(); err == nil { - r, err := tx.Save("user", gdb.Map{ - "uid" : 1, - "name" : "john", - }) - tx.Rollback() - fmt.Println(r, err) - } - ``` - 3. **事务提交操作** - ```go - if tx, err := db.Begin(); err == nil { - r, err := tx.Save("user", gdb.Map{ - "uid" : 1, - "name" : "john", - }) - tx.Commit() - fmt.Println(r, err) - } - ``` - 4. **事务链式操作** - ```go - if tx, err := db.Begin(); err == nil { - r, err := tx.Table("user").Data(gdb.Map{"uid":1, "name": "john_1"}).Save() - tx.Commit() - fmt.Println(r, err) - } - ``` + tx.Rollback() + fmt.Println(r, err) + } + ``` + 3. **事务提交操作** + ```go + if tx, err := db.Begin(); err == nil { + r, err := tx.Save("user", gdb.Map{ + "uid" : 1, + "name" : "john", + }) + tx.Commit() + fmt.Println(r, err) + } + ``` + 4. **事务链式操作** + ```go + if tx, err := db.Begin(); err == nil { + r, err := tx.Table("user").Data(gdb.Map{"uid":1, "name": "john_1"}).Save() + tx.Commit() + fmt.Println(r, err) + } + ``` -1. **数据编码解析** +## 数据编码解析 +```go +// JSON +data := + `{ + "users" : { + "count" : 100, + "list" : [ + {"name" : "Ming", "score" : 60}, + {"name" : "John", "score" : 99.5} + ] + } + }` - ```go - // JSON - data := - `{ - "users" : { - "count" : 100, - "list" : [ - {"name" : "Ming", "score" : 60}, - {"name" : "John", "score" : 99.5} - ] - } - }` +if p, e := gparser.LoadContent([]byte(data), "json"); e != nil { + glog.Error(e) +} else { + fmt.Println("John Score:", p.GetFloat32("users.list.1.score")) +} +``` - if p, e := gparser.LoadContent([]byte(data), "json"); e != nil { - glog.Error(e) - } else { - fmt.Println("John Score:", p.GetFloat32("users.list.1.score")) - } - ``` +```go +// XML +data := + ` +