38 Gin仿小米商城项目 RBAC权限管理 - 角色和权限关联 角色授权 已授权的权限选中

controllers->admin->role.go

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package admin   import (     "fmt"     "ginshop08/models"     "net/http"     "strings"       "github.com/gin-gonic/gin" )   type RoleController struct {     BaseController }   func (con RoleController) Index(c *gin.Context) {     roleList := []models.Role{}     models.DB.Find(&roleList)     fmt.Println(roleList)     c.HTML(http.StatusOK, "admin/role/index.html", gin.H{         "roleList": roleList,     })   } func (con RoleController) Add(c *gin.Context) {     c.HTML(http.StatusOK, "admin/role/add.html", gin.H{}) } func (con RoleController) DoAdd(c *gin.Context) {       title := strings.Trim(c.PostForm("title"), " ")     description := strings.Trim(c.PostForm("description"), " ")       if title == "" {         con.Error(c, "角色的标题不能为空", "/admin/role/add")         return     }     role := models.Role{}     role.Title = title     role.Description = description     role.Status = 1     role.AddTime = int(models.GetUnix())       err := models.DB.Create(&role).Error     if err != nil {         con.Error(c, "增加角色失败 请重试", "/admin/role/add")     } else {         con.Success(c, "增加角色成功", "/admin/role")     }   } func (con RoleController) Edit(c *gin.Context) {       id, err := models.Int(c.Query("id"))     if err != nil {         con.Error(c, "传入数据错误", "/admin/role")     } else {         role := models.Role{Id: id}         models.DB.Find(&role)         c.HTML(http.StatusOK, "admin/role/edit.html", gin.H{             "role": role,         })     }   } func (con RoleController) DoEdit(c *gin.Context) {       id, err1 := models.Int(c.PostForm("id"))     if err1 != nil {         con.Error(c, "传入数据错误", "/admin/role")         return     }     title := strings.Trim(c.PostForm("title"), " ")     description := strings.Trim(c.PostForm("description"), " ")       if title == "" {         con.Error(c, "角色的标题不能为空", "/admin/role/edit")     }       role := models.Role{Id: id}     models.DB.Find(&role)     role.Title = title     role.Description = description       err2 := models.DB.Save(&role).Error     if err2 != nil {         con.Error(c, "修改数据失败", "/admin/role/edit?id="+models.String(id))     } else {         con.Success(c, "修改数据成功", "/admin/role/edit?id="+models.String(id))     }       //查询要修改的数据 然后 修改       // c.String(http.StatusOK, "-执行修改") } func (con RoleController) Delete(c *gin.Context) {     id, err := models.Int(c.Query("id"))     if err != nil {         con.Error(c, "传入数据错误", "/admin/role")     } else {         role := models.Role{Id: id}         models.DB.Delete(&role)         con.Success(c, "删除数据成功", "/admin/role")     } }   func (con RoleController) Auth(c *gin.Context) {     //1、获取角色id     roleId, err := models.Int(c.Query("id"))     if err != nil {         con.Error(c, "传入数据错误", "/admin/role")         return     }     //2、获取所有的权限     accessList := []models.Access{}     models.DB.Where("module_id=?", 0).Preload("AccessItem").Find(&accessList)       //3、获取当前角色拥有的权限 ，并把权限id放在一个map对象里面     roleAccess := []models.RoleAccess{}     models.DB.Where("role_id=?", roleId).Find(&roleAccess)     roleAccessMap := make(map[int]int)     for _, v := range roleAccess {         roleAccessMap[v.AccessId] = v.AccessId     }       //4、循环遍历所有的权限数据，判断当前权限的id是否在角色权限的Map对象中,如果是的话给当前数据加入checked属性       for i := 0; i < len(accessList); i++ {         if _, ok := roleAccessMap[accessList[i].Id]; ok {             accessList[i].Checked = true         }         for j := 0; j < len(accessList[i].AccessItem); j++ {             if _, ok := roleAccessMap[accessList[i].AccessItem[j].Id]; ok {                 accessList[i].AccessItem[j].Checked = true             }         }     }       c.HTML(http.StatusOK, "admin/role/auth.html", gin.H{         "roleId":     roleId,         "accessList": accessList,     })   }   func (con RoleController) DoAuth(c *gin.Context) {     //获取角色id     roleId, err1 := models.Int(c.PostForm("role_id"))     if err1 != nil {         con.Error(c, "传入数据错误", "/admin/role")         return     }     //获取权限id  切片     accessIds := c.PostFormArray("access_node[]")       //删除当前角色对应的权限     roleAccess := models.RoleAccess{}     models.DB.Where("role_id=?", roleId).Delete(&roleAccess)       //增加当前角色对应的权限     for _, v := range accessIds {         roleAccess.RoleId = roleId         accessId, _ := models.Int(v)         roleAccess.AccessId = accessId         models.DB.Create(&roleAccess)     }     fmt.Println(roleId)     fmt.Println(accessIds)       fmt.Println("/admin/role/auth?id=?" + models.String(roleId))     // c.String(200, "DoAuth")     // admin/role/auth?id=9     con.Success(c, "授权成功", "/admin/role/auth?id="+models.String(roleId)) }