<template>
  <div class="app-container">

    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input v-model="searchObj.roleName" placeholder="角色名称" style="width: 100%" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button :loading="loading" icon="el-icon-search" size="mini" type="primary" @click="fetchData()">搜索
          </el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          <!-- 工具条 -->
          <!--          <div class="tools-div" style="padding-left: 15px">-->
          <el-button icon="el-icon-plus" size="mini" type="success" @click="add">添 加</el-button>
          <el-button class="btn-add" size="mini" @click="batchRemove()">批量删除</el-button>
          <!--          </div>-->
        </el-row>
      </el-form>
    </div>

    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      border
      stripe
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange"
    >

      <el-table-column type="selection" />

      <el-table-column
        align="center"
        label="序号"
        width="70"
      >
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column label="角色名称" prop="roleName" />
      <el-table-column label="角色编码" prop="roleCode" />
      <el-table-column label="创建时间" prop="createTime" width="160" />
      <el-table-column align="center" label="操作" width="200">
        <template slot-scope="scope">
          <el-button icon="el-icon-edit" size="mini" title="修改" type="primary" @click="edit(scope.row.id)" />
          <el-button
            icon="el-icon-delete"
            size="mini"
            title="删除"
            type="danger"
            @click="removeDataById(scope.row.id)"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      layout="total, prev, pager, next, jumper"
      style="padding: 30px 0; text-align: center;"
      @current-change="fetchData"
    />

    <el-dialog :visible.sync="dialogVisible" title="添加/修改" width="40%">
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button icon="el-icon-refresh-right" size="small" @click="dialogVisible = false">取 消</el-button>
        <el-button icon="el-icon-check" size="small" type="primary" @click="saveOrUpdate()">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
import api from '@/api/system/sysRole'

export default {
  // 定义数据模型
  data() {
    return {
      list: [], // 列表
      total: 0, // 总记录数
      page: 1, // 页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询条件
      multipleSelection: [], // 批量删除选中的记录列表
      dialogVisible: false, // 是否弹框
      sysRole: {}, // 封装表单用户数据
      saveBtnDisabled: false
    }
  },
  // 页面渲染成功后获取数据
  created() {
    this.fetchData()
  },
  // 定义方法
  methods: {

    // 当多选选项发生变化的时候调用
    handleSelectionChange(selection) {
      console.log(selection)
      this.multipleSelection = selection
    },
    // 批量删除
    batchRemove() {
      if (this.multipleSelection.length === 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 点击确定，远程调用ajax
        // 遍历selection，将id取出放入id列表
        var idList = []
        this.multipleSelection.forEach(item => {
          idList.push(item.id)
        })
        // 调用api
        return api.batchRemove(idList)
      }).then((response) => {
        this.fetchData()
        this.$message.success(response.message)
      })
    },

    // 点击修改，弹出框，根据id查询数据显示
    edit(id) {
      // 弹出框
      this.dialogVisible = true
      // 根据id查询
      this.fetchDataById(id)
    },

    fetchDataById(id) {
      api.getById(id).then(response => {
        this.sysRole = response.data
      })
    },

    // 点击添加弹框
    add() {
      this.dialogVisible = true
    },

    saveOrUpdate() {
      this.saveBtnDisabled = true // 防止表单重复提交
      // 根据id判断
      if (!this.sysRole.id) { // 添加
        this.saveData()
      } else { // 修改
        this.updateData()
      }
    },

    // 新增
    saveData() {
      api.save(this.sysRole).then(response => {
        // 提示
        this.$message.success(response.message || '操作成功')
        // 关闭弹框
        this.dialogVisible = false
        // 刷新页面
        this.fetchData(this.page)
      })
    },

    // 修改
    updateData() {
      api.updateById(this.sysRole).then(response => {
        // 提示
        this.$message.success(response.message || '操作成功')
        // 关闭弹框
        this.dialogVisible = false
        // 刷新页面
        this.fetchData(this.page)
      })
    },

    // 条件分页查询
    fetchData(current = 1) {
      this.page = current
      // 调用api
      api.getPageList(this.page, this.limit, this.searchObj).then(response => {
        this.list = response.data.records
        this.total = response.data.total
      })
    },
    // 根据id删除数据
    removeDataById(id) {
      // debugger
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => { // promise
        // 点击确定，远程调用ajax
        return api.removeById(id)
      }).then((response) => {
        // 刷新页面
        this.fetchData(this.page)
        // 提示信息
        this.$message.success(response.message || '删除成功')
      })
    }
  }
}
</script>
