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polaris1119polaris1119
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Golang中文社区 - Go语言学习园地
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‎websites/code/studygolang/install.bat

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@echo off
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setlocal
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if exist install.bat goto ok
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echo install.bat must be run from its folder
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goto end
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:ok
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set OLDGOPATH=%GOPATH%
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set GOPATH=%~dp0;%~dp0..\thirdparty
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go install studygolang
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go install test
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set GOPATH=%OLDGOPATH%
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:end
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echo finished

‎websites/code/studygolang/src/config/config.go

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package config
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import (
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"process"
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"path"
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)
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// 项目根目录
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var ROOT string
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func init() {
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binDir, err := process.ExecutableDir()
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if err != nil {
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panic(err)
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}
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ROOT = path.Dir(binDir)
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}
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‎websites/code/studygolang/src/controller/admin/index.go

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package admin
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import (
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"config"
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"html/template"
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"fmt"
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"net/http"
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)
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var ROOT = config.ROOT
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func IndexHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/admin/common.html", ROOT + "/template/admin/index.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}

‎websites/code/studygolang/src/controller/admin/user.go

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package admin
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import (
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"html/template"
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"fmt"
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"net/http"
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"net/url"
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)
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func UsersHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/admin/common.html", ROOT + "/template/admin/users.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}
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// 添加新用户表单页面
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func NewUserHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/admin/common.html", ROOT + "/template/admin/newuser.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}
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func Validate(data url.Values, rules map[string]map[string]string) (errMsg string) {
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for field, rule := range rules {
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val := data.Get(field)
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if _, ok := rule["require"]; ok {
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if val == "" {
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errMsg = field + "不能为空"
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return
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}
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}
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if valRange, ok := rule["range"]; ok {
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}
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}
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}
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// 执行添加新用户（异步请求，返回json）
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func AddUserHandler(rw http.ResponseWriter, req *http.Request) {
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errMsg := ""
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username := req.FormValue("username")
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email := req.FormValue("email")
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// name := req.FormValue("name")
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passwd := req.FormValue("passwd")
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pass2 := req.FormValue("pass2")
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// send_password := req.FormValue("send_password")
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if username == "" {
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errMsg = "用户名不能空!"
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}
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if email == "" {
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errMsg = "邮箱不能空!"
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}
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if passwd == "" {
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errMsg = "密码不能空!"
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}
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if passwd != pass2 {
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errMsg = "两次密码不一致!"
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}
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// TODO: 其他判断
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header := rw.Header()
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header.Set("Content-Type", "application/json; charset=utf-8")
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if errMsg != "" {
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fmt.Fprint(rw, `{"error":"`, errMsg, `"}`)
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return
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}
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// 入库
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}
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func ProfilerHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/admin/common.html", ROOT + "/template/admin/profiler.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}

‎websites/code/studygolang/src/controller/index.go

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package controller
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import (
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"config"
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"html/template"
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"fmt"
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"net/http"
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)
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var ROOT = config.ROOT
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func IndexHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/index.html", ROOT + "/template/common/header.html", ROOT + "/template/common/footer.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}

‎websites/code/studygolang/src/controller/topic.go

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package controller
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import (
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"html/template"
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"fmt"
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"net/http"
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)
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func NewTopicHandler(rw http.ResponseWriter, req *http.Request) {
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tpl, err := template.ParseFiles(ROOT + "/template/topics/new.html", ROOT + "/template/common/header.html", ROOT + "/template/common/footer.html")
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if err != nil {
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fmt.Fprintln(rw, err)
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return
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}
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tpl.Execute(rw, nil)
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}

‎websites/code/studygolang/src/model/dao.go

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package model
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import (
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"database/sql"
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_ "github.com/Go-SQL-Driver/MySQL"
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"strings"
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"util"
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)
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type Dao struct {
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*sql.DB
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// 构造sql语句相关
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tablename string
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where string
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whereVal []interface{} // where条件对应中字段对应的值
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limit string
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order string
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// 插入需要
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columns []string // 需要插入数据的字段
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colValues []interface{} // 需要插入字段对应的值
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// 查询需要
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selectCols string // 想要查询那些字段，接在SELECT之后的，默认为"*"
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}
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func (this *Dao) Open() (err error) {
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this.DB, err = sql.Open("mysql", "root:@/studygolang?charset=utf8")
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return
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}
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// Insert 插入数据
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func (this *Dao) Insert() (sql.Result, error) {
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strSql := util.InsertSql(this)
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err := this.Open()
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if err != nil {
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return nil, err
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}
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defer this.Close()
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stmt, err := this.Prepare(strSql)
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if err != nil {
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return nil, err
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}
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defer stmt.Close()
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return stmt.Exec(this.ColValues()...)
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}
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// Find 查找单条数据
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func (this *Dao) Find() (*sql.Row, error) {
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strSql := util.SelectSql(this)
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err := this.Open()
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if err != nil {
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return nil, err
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}
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defer this.Close()
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stmt, err := this.Prepare(strSql)
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if err != nil {
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return nil, err
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}
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defer stmt.Close()
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return stmt.QueryRow(this.whereVal...), nil
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}
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func (this *Dao) Columns() []string {
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return this.columns
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}
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func (this *Dao) ColValues() []interface{} {
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return this.colValues
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}
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func (this *Dao) SetWhere(args ...string) {
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fields := make([]string, len(args))
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this.whereVal = make([]interface{}, len(args))
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for i, arg := range args {
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parts := strings.SplitN(arg, "=", 2)
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if len(parts) != 2 {
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// TODO:怎么处理
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}
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fields[i] = parts[0] + "=?"
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this.whereVal[i] = parts[1]
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}
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this.where = strings.Join(fields, " AND ")
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}
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func (this *Dao) SelectCols() string {
85+
if this.selectCols == "" {
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return "*"
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}
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return this.selectCols
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}
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func (this *Dao) Where() string {
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return this.where
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}
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func (this *Dao) SetOrder(order string) {
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this.order = order
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}
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func (this *Dao) Order() string {
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return this.order
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}
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func (this *Dao) SetLimit(limit string) {
104+
this.limit = limit
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}
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func (this *Dao) Limit() string {
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return this.limit
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}
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func (this *Dao) Tablename() string {
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return this.tablename
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}
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type ORMer interface {
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Insert()
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Update()
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Find()
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FindAll()
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Delete()
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}

‎websites/code/studygolang/src/model/user.go

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package model
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import (
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"time"
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)
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const (
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tablename = "user_login"
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)
10+
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type UserLogin struct {
12+
Uid int `json:"uid"`
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Username string `json:"username"`
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Passwd string `json:"passwd"`
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Email string `json:"email"`
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passcode string // 加密随机串
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// 数据库访问对象
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*Dao
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}
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func NewUserLogin() *UserLogin {
23+
return &UserLogin{
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Dao: &Dao{tablename: tablename},
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}
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}
27+
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func (this *UserLogin) Insert() (int64, error) {
29+
this.prepareInsertData()
30+
result, err := this.Dao.Insert()
31+
if err != nil {
32+
return 0, err
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}
34+
return result.RowsAffected()
35+
}
36+
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func (this *UserLogin) Find() error {
38+
row, err := this.Dao.Find()
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if err != nil {
40+
return err
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}
42+
return row.Scan(&this.Uid, &this.Username, &this.Passwd, &this.Email, &this.passcode)
43+
}
44+
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func (this *UserLogin) prepareInsertData() {
46+
this.columns = []string{"uid", "username", "passwd", "email", "passcode"}
47+
this.passcode = "123ff"
48+
this.colValues = []interface{}{this.Uid, this.Username, this.Passwd, this.Email, this.passcode}
49+
}
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type User struct {
52+
Uid int
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Username string
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Passwd string
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Email string
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Name string
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Avatar string
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City string
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Company string
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Github string
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Weibo string
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Website string
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Status string
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Introduce string
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// 不导出
66+
open int
67+
ctime time.Time
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}
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func NewUser() *User {
71+
return nil
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}

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