一颗努力的大土豆 2024-08-16 11:07 采纳率: 92.5%
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vue+element-ui,点击编辑按钮后,接口数据无法映射到表格上该如何解决?

vue+element-ui,点击编辑按钮后,接口数据无法映射到表格上该如何解决?
问题详情
在代理类型下拉框中的数据, 0:动态代理(默认) 1:静态代理 2:负载均衡 3:空白代理 4:重定向,getServerId方法接口数据返回的是type:0,下拉框此刻应该显示动态代理,但是显示的还是0

img

目前代码展示,该如何修改让它显示动态代理


```javascript
<!-- 配置管理-反向代理 -->
<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="75px" class="container-top">
      <bread-crumb />
      <el-form-item prop="keywords">
        <el-input v-model="queryParams.keywords" placeholder="请输入搜索内容" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" class="button-search" icon="el-icon-search" size="mini"  @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" class="button-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <div class="container-bottom">
      <!-- <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['system:post:add']"
          >添加参数模板</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['system:post:remove']"
          >批量删除</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row> -->
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['system:post:add']"
          >添加反向代理</el-button>
        </el-col>
      </el-row>

      <el-table v-loading="loading" :data="postList" @selection-change="handleSelectionChange" :height="tableHeight"  style="background-color: transparent;" header-row-class-name="header-row-style">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="转发类型" align="center" prop="proxyType" :formatter="formatter"/>
        <el-table-column label="监听ip端口" align="center" prop="listen" />
        <el-table-column label="监听域名" align="center" prop="serverName" />
        <el-table-column label="ssl选项 " align="center" prop="ssl" :formatter="formatterSsl"/>
        <el-table-column label="停用启用" align="center" width="100">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.enable"
              active-value="true"
              inactive-value="false"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="描述" align="center" prop="descr" />
        <!-- <el-table-column label="默认配置到" align="center" prop="postName" /> -->
       <!--  <el-table-column label="岗位排序" align="center" prop="postSort" />
        <el-table-column label="状态" align="center" prop="status">
          <template slot-scope="scope">
            <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column> -->
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['system:post:edit']"
            >编辑</el-button>
            <el-button
              class="del-btn"
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['system:post:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.current"
        :limit.sync="queryParams.limit"
        @pagination="getList"
      />
    </div>
    
     <!-- 添加或修改反向代理 -->
     <el-dialog :title="title" :visible.sync="open" width="1200px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px" class="container-bottom">
        <el-form-item label="转发类型" prop="proxyType">
            <el-select v-model="form.proxyType" placeholder="请选择类别">
                <el-option
                  v-for="dict in proxyTypeOptions"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
        </el-form-item>
        <el-row>
          <el-col :span="12">
            <el-form-item label="监听ip端口" prop="listen">
              <el-input v-model="form.listen" placeholder="请输入监听ip端口" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="监听域名" prop="serverName">
              <el-input v-model="form.serverName" placeholder="例:www.baidu.com" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="8">
            <el-form-item  prop="def">
              <el-checkbox v-model="form.def" true-label="1" false-label="0">default</el-checkbox>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item  prop="proxyProtocol">
              <el-checkbox v-model="form.proxyProtocol"  true-label="1" false-label="0">proxy protocol</el-checkbox>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item  prop="ipv6">
              <el-checkbox v-model="form.ipv6" true-label="1" false-label="0">同时监听IPv6</el-checkbox>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="选择密码文件" prop="passwordId">
              <el-select v-model="form.passwordId" placeholder="请选择密码文件">
                <el-option :key="0" label="--不使用密码--" :value="0"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="开启ssl" prop="ssl">
              <el-select v-model="form.ssl" placeholder="请选择是否开启ssl">
                <el-option
                  v-for="dict in options"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
            <!-- <el-form-item label="监听域名" prop="tactics">
              <el-select v-model="form.tactics" placeholder="请选择负载策略">
                <el-option v-for="item in tacticsArry" :key="item.value" :label="item.name" :value="item.value"></el-option>
              </el-select>
            </el-form-item> -->
          </el-col>
        </el-row>
       <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              size="mini"
              @click="addTableRow"
              v-hasPermi="['system:post:add']"
            >添加代理目标(Location)</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              size="mini"
              v-hasPermi="['system:post:add']"
            >IP黑白名单</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              size="mini"
              v-hasPermi="['system:post:add']"
            >设置额外参数</el-button>
          </el-col>
        </el-row> 
       <el-table 
          :data="formChildTable"
          style="background-color: transparent;" header-row-class-name="header-row-style"
          size="small"
          ref="table"
        >
          <el-table-column label="监控路径"  align="center" width="150">
              <template slot-scope="scope">
                <el-input
                v-model="formChildTable[scope.$index].path"
                />
              </template>
          </el-table-column>
          <el-table-column label="代理类型" align="center" width="150">
              <template slot-scope="scope">
                <el-select v-model="formChildTable[scope.$index].type">
                  <el-option key="0" label="动态代理" value="0"></el-option>
                  <el-option key="1" label="静态代理" value="1"></el-option>
                  <el-option key="2" label="负载均衡" value="2"></el-option>
                  <el-option key="3" label="空白代理" value="3"></el-option>
                  <el-option key="4" label="重定向" value="4"></el-option>
                </el-select>
              </template>
          </el-table-column>
          <el-table-column label="代理目标"  width="740">
            <template slot-scope="scope" >
                <el-input
                style="width:200px;margin-right:10px"
                v-model="formChildTable[scope.$index].value"
                />
                <el-checkbox v-model="formChildTable[scope.$index].websocket" true-label="1" false-label="0">websocket</el-checkbox>
                <el-checkbox v-model="formChildTable[scope.$index].cros" true-label="1" false-label="0">跨域</el-checkbox>
                <el-checkbox v-model="formChildTable[scope.$index].header" true-label="1" false-label="0">Host参数:</el-checkbox>
                <el-select v-model="formChildTable[scope.$index].headerHost" style="width:180px">
                  <el-option key="0" label="$host" value="0"></el-option>
                  <el-option key="1" label="$http_host" value="1"></el-option>
                  <el-option key="2" label="$host:$proxy_port" value="2"></el-option>
                  <el-option key="3" label="$host:$server_port" value="3"></el-option>
                </el-select>
              </template>
              
          </el-table-column>
          <el-table-column label="操作" align="center" width="80px">
              <template slot-scope="scope">
                <el-button
                @click="deleteformTable(scope.$index)"
                size="small"
                type="text"
                >删除</el-button
                >
              </template>
          </el-table-column>
        </el-table>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">提交</el-button>
        <el-button @click="cancel">关闭</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getServerList,delServer,insertOrUpdateServer,getServerId,insertOrUpdateLocation,delLocation} from "@/api/confManager/reverseProxy";
import breadCrumb from "@/components/Breadcrumb/index.vue"
import autoComputedH from '@/utils/mixins/autoComputedH'
export default {
  name: "Post",
  mixins: [autoComputedH],
  dicts: ['sys_normal_disable'],
  components: {
    breadCrumb,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 岗位表格数据
      postList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        current: 1,
        limit: 10,
        keywords: undefined,
      },
      // 表单参数
      form: {},
      formChildTable: [],
      //开启ssl下拉框数据
      options: [
        {
          value: 0,
          label: "否",
        },
        {
          value: 1,
          label: "是",
        },
      ],
      //转发类型下拉框数据
      proxyTypeOptions:[
        {
          value: 0,
          label: "http",
        },
        {
          value: 1,
          label: "tcp",
        },
        {
          value: 2,
          label: "udp",
        }
      ],
      // 表单校验
      rules: {
        listen: [
          { required: true, message: "ip端口不能为空", trigger: "change" }
        ],
        
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询岗位列表 */
    getList() {
      this.loading = true;
      getServerList(this.queryParams).then(response => {
        console.log(response,'00000')
        const records = response.obj.records;
        this.postList = records;
        this.postList.forEach(item => {
          if (item.enable === true) {
            item.enable = 'true';
          } else {
            item.enable = 'false';
          }
        });
        this.total = response.obj.count; 
        this.loading = false;
      });
    },
    formatterSsl(row, column) {
      const SslStatus = row.ssl;
      return SslStatus === 1 ? "是" : "否"
    },
    formatter(row, column) {
      if(row.proxyType == 0){
        return "http"
      }else if(row.proxyType == 1){
        return "tcp"
      }else if(row.proxyType == 2) {
        return "udp"
      }
    },
    
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
     /** 重置按钮操作 */
     resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        proxyType: 0,
        listen: "",
        serverName: "",
        passwordId: "",
        ssl: "",
        def:"",
        proxyProtocol:"",
        ipv6:""
      };
      this.formChildTable = []
      this.resetForm("form");
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.postId)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加反向代理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const serverId = row.id || this.ids;
      getServerId({serverId}).then(response => {
        console.log(response,'handleUpadate')
        this.formChildTable = response.obj;
        console.log(this.formChildTable,'this.formChildTable')
        this.formChildTable.type = this.formChildTable[0].type.toString();
        this.open = true;
        this.title = "修改反向代理";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(async valid => {
        if (valid) {
          if (this.form.id) {
            await insertOrUpdateLocation(this.formChildTable).then(response => {
              
            })
            insertOrUpdateServer(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            await insertOrUpdateLocation(this.formChildTable).then(response => {

            }) 
            insertOrUpdateServer(this.form).then(response => {
              console.log(this.form,'111')
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
     /** 删除按钮操作 */
     handleDelete(row) {
      const proxyId = row.id || this.ids;
      this.$modal.confirm('是否确认该数据项?').then(function() {
        return delServer({id: proxyId});
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    deleteformTable(index) {
        this.$modal.confirm('是否确认删除该信息?').then(function() {
        }).then(() => {
          this.formChildTable.splice(index, 1);
        }).catch(() => {});
    },
    // 添加行
    addTableRow() {
      let row = {
        path: "/",
        type: "0",
        value: undefined,
        websocket: undefined,
        cros: undefined,
        header: "1",
        headerHost: "0",
      }
      this.formChildTable.push(row);
    },
  }
};
</script>




```

  • 写回答

2条回答 默认 最新

  • GISer Liu 2024-08-16 11:09
    关注

    该回答引用自GPT-deepseek, 由博主 GISer Liu 编写:

    问题分析

    用户在使用 Vue 和 Element-UI 开发时,遇到了一个问题:点击编辑按钮后,接口返回的数据无法正确映射到表格中的下拉框上。具体表现为,接口返回的 type: 0 应该在下拉框中显示为“动态代理”,但实际上显示的还是 0

    问题定位

    1. 数据绑定问题:可能是 el-selectel-option 的数据绑定出现了问题,导致下拉框无法正确显示对应的文本。
    2. 数据格式问题:接口返回的数据格式可能与前端期望的格式不一致,导致数据无法正确映射。
    3. 数据处理问题:在处理接口返回数据时,可能没有正确地将数据转换为下拉框需要的格式。

    解决方案

    1. 确保数据格式一致

    首先,确保接口返回的数据格式与前端期望的格式一致。假设接口返回的数据格式如下:

    {
      "type": 0
    }
    

    2. 修改数据绑定逻辑

    handleUpdate 方法中,确保将接口返回的数据正确映射到 formChildTable 中。具体来说,需要将 type 字段的值转换为对应的文本。

    3. 修改模板中的数据绑定

    在模板中,确保 el-selectel-option 的数据绑定正确。可以通过 formatter 方法将 type 字段的值转换为对应的文本。

    修改后的代码

    1. 修改 handleUpdate 方法

    handleUpdate 方法中,添加数据转换逻辑:

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const serverId = row.id || this.ids;
      getServerId({serverId}).then(response => {
        console.log(response, 'handleUpadate');
        this.formChildTable = response.obj.map(item => {
          return {
            ...item,
            type: this.getTypeLabel(item.type) // 转换 type 字段的值
          };
        });
        console.log(this.formChildTable, 'this.formChildTable');
        this.open = true;
        this.title = "修改反向代理";
      });
    }
    
    // 添加 getTypeLabel 方法
    getTypeLabel(type) {
      const typeMap = {
        0: '动态代理',
        1: '静态代理',
        2: '负载均衡',
        3: '空白代理',
        4: '重定向'
      };
      return typeMap[type] || type;
    }
    

    2. 修改模板中的数据绑定

    在模板中,确保 el-selectel-option 的数据绑定正确:

    <el-table-column label="代理类型" align="center" width="150">
      <template slot-scope="scope">
        <el-select v-model="formChildTable[scope.$index].type">
          <el-option key="0" label="动态代理" value="动态代理"></el-option>
          <el-option key="1" label="静态代理" value="静态代理"></el-option>
          <el-option key="2" label="负载均衡" value="负载均衡"></el-option>
          <el-option key="3" label="空白代理" value="空白代理"></el-option>
          <el-option key="4" label="重定向" value="重定向"></el-option>
        </el-select>
      </template>
    </el-table-column>
    

    总结

    通过上述修改,确保了接口返回的数据能够正确映射到表格中的下拉框上。具体来说,通过在 handleUpdate 方法中添加数据转换逻辑,并将转换后的数据绑定到模板中的 el-selectel-option 上,解决了数据无法正确显示的问题。

    如果该回答解决了您的问题,请采纳!如果没有,请私信联系或评论您的疑惑

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论
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  • 系统已结题 8月24日
  • 已采纳回答 8月16日
  • 创建了问题 8月16日