公司企业入驻

src/views/identity/components/CityOptions/index.vue

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+<template>
+  <el-form
+    ref="form"
+    :model="modelValue"
+    :rules="rules"
+    :label-width="labelWidth + 'px'"
+  >
+    <el-row>
+      <el-col :span="24">
+        <el-form-item label="所在地:" required>
+          <el-row type="flex" justify="space-between">
+            <el-col :span="7">
+              <el-form-item prop="province">
+                <el-select
+                  v-model="modelValue.province"
+                  clearable
+                  placeholder="请选择"
+                  @change="provinceCodeChange"
+                >
+                  <el-option
+                    v-for="(key, value) in provinceSelectList"
+                    :key="value"
+                    :label="key"
+                    :value="value"
+                  >
+                  </el-option>
+                </el-select>
+              </el-form-item>
+            </el-col>
+            <el-col :span="7">
+              <el-form-item prop="city">
+                <el-select
+                  v-model="modelValue.city"
+                  clearable
+                  placeholder="请选择"
+                  @change="cityCodeChange"
+                >
+                  <el-option
+                    v-for="(key, value) in citySelectList"
+                    :key="value"
+                    :label="key"
+                    :value="value"
+                  >
+                  </el-option>
+                </el-select>
+              </el-form-item>
+            </el-col>
+            <el-col :span="7">
+              <el-form-item prop="district">
+                <el-select
+                  v-model="modelValue.district"
+                  clearable
+                  placeholder="请选择"
+                >
+                  <el-option
+                    v-for="(key, value) in districtSelectList"
+                    :key="value"
+                    :label="key"
+                    :value="value"
+                  >
+                  </el-option>
+                </el-select>
+              </el-form-item>
+            </el-col>
+          </el-row>
+        </el-form-item>
+      </el-col>
+    </el-row>
+  </el-form>
+</template>
+<script>
+import { areaList } from "@/api/config";
+export default {
+  props: {
+    modelValue: Object,
+    labelWidth: {
+      type: Number,
+      default: 120,
+    },
+  },
+  data() {
+    return {
+      provinceSelectList: [], // 省
+      citySelectList: [], // 市
+      districtSelectList: [], // 区
+      rules: {
+        province: [
+          { required: true, message: "请选择", trigger: ["change", "blue"] },
+        ],
+        city: [
+          { required: true, message: "请选择", trigger: ["change", "blue"] },
+        ],
+        district: [
+          { required: true, message: "请选择", trigger: ["change", "blue"] },
+        ],
+      },
+    };
+  },
+  watch: {
+    value(newOld) {
+      const data = Object.assign({}, newOld);
+      this.provinceCodeChange(data.province);
+      this.cityCodeChange(data.city);
+      newOld.city = data.city;
+      newOld.district = data.district;
+    },
+  },
+  methods: {
+    getProvinceByParent(id) {
+      return new Promise((resolve, reject) => {
+        areaList({ code: id })
+          .then(({ code, msg, data }) => {
+            if (code == 200) {
+              resolve(data);
+            } else {
+              this.$modal.msgError(msg);
+              reject({ msg, code });
+            }
+          })
+          .catch((error) => {
+            reject(error);
+          });
+      });
+    },
+    async provinceCodeChange(id) {
+      // delete this.modelValue.city;
+      // delete this.modelValue.district;
+      this.modelValue.city = undefined;
+      this.modelValue.district = undefined;
+      if (!id) {
+        this.citySelectList = [];
+        this.districtSelectList = [];
+        return false;
+      }
+      this.citySelectList = await this.getProvinceByParent(id);
+    },
+    async cityCodeChange(id) {
+      // delete this.modelValue.district;
+      this.modelValue.district = undefined;
+      if (!id) {
+        this.districtSelectList = [];
+        return false;
+      }
+      this.districtSelectList = await this.getProvinceByParent(id);
+    },
+    submitForm() {
+      let flag = false;
+      this.$refs["form"].validate((valid) => {
+        flag = valid;
+      });
+      return flag;
+    },
+  },
+  created() {
+    areaList().then((res) => {
+      this.provinceSelectList = res.data;
+    });
+  },
+};
+</script>