JeecgBoot 2.3 里程碑版本发布，支持微服务和单体自由切换、提供新行编辑表格JVXETable

ant-design-vue-jeecg/src/components/JVxeCells/JVxeSelectDictSearchCell.js

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+import debounce from 'lodash/debounce'
+import { getAction } from '@/api/manage'
+import { cloneObject } from '@/utils/util'
+import { filterDictText } from '@/components/dict/JDictSelectUtil'
+import { ajaxGetDictItems, getDictItemsFromCache } from '@/api/api'
+import JVxeCellMixins, { dispatchEvent } from '@/components/jeecg/JVxeTable/mixins/JVxeCellMixins'
+
+/** 公共资源 */
+const common = {
+  /** value - label map，防止重复查询（刷新清空缓存） */
+  labelMap: new Map(),
+
+  /** 公共data */
+  data() {
+    return {
+      loading: false,
+      innerSelectValue: null,
+      innerOptions: [],
+    }
+  },
+  /** 公共计算属性 */
+  computed: {
+    dict() {
+      return this.originColumn.dict
+    },
+    options() {
+      if (this.isAsync) {
+        return this.innerOptions
+      } else {
+        return this.originColumn.options || []
+      }
+    },
+    // 是否是异步模式
+    isAsync() {
+      let isAsync = this.originColumn.async
+      return (isAsync != null && isAsync !== '') ? !!isAsync : true
+    },
+  },
+  /** 公共属性监听 */
+  watch: {
+    innerValue: {
+      immediate: true,
+      handler(value) {
+        if (value == null || value === '') {
+          this.innerSelectValue = null
+        } else {
+          this.loadDataByValue(value)
+        }
+      }
+    },
+    dict() {
+      this.loadDataByDict()
+    }
+  },
+  /** 公共方法 */
+  methods: {
+
+    // 根据 value 查询数据，用于回显
+    async loadDataByValue(value) {
+      if (this.isAsync) {
+        if (this.innerSelectValue !== value) {
+          if (common.labelMap.has(value)) {
+            this.innerOptions = cloneObject(common.labelMap.get(value))
+          } else {
+            let {success, result} = await getAction(`/sys/dict/loadDictItem/${this.dict}`, {key: value})
+            if (success && result && result.length > 0) {
+              this.innerOptions = [{value: value, text: result[0]}]
+              common.labelMap.set(value, cloneObject(this.innerOptions))
+            }
+          }
+        }
+      }
+      this.innerSelectValue = (value || '').toString()
+    },
+
+    // 初始化字典
+    async loadDataByDict() {
+      if (!this.isAsync) {
+        // 如果字典项集合有数据
+        if (!this.originColumn.options || this.originColumn.options.length === 0) {
+          // 根据字典Code, 初始化字典数组
+          let dictStr = ''
+          if (this.dict) {
+            let arr = this.dict.split(',')
+            if (arr[0].indexOf('where') > 0) {
+              let tbInfo = arr[0].split('where')
+              dictStr = tbInfo[0].trim() + ',' + arr[1] + ',' + arr[2] + ',' + encodeURIComponent(tbInfo[1])
+            } else {
+              dictStr = this.dict
+            }
+            if (this.dict.indexOf(',') === -1) {
+              //优先从缓存中读取字典配置
+              let cache = getDictItemsFromCache(this.dict)
+              if (cache) {
+                this.innerOptions = cache
+                return
+              }
+            }
+            let {success, result} = await ajaxGetDictItems(dictStr, null)
+            if (success) {
+              this.innerOptions = result
+            }
+          }
+        }
+      }
+    },
+
+  },
+
+}
+
+// 显示组件，自带翻译
+export const DictSearchSpanCell = {
+  name: 'JVxeSelectSearchSpanCell',
+  mixins: [JVxeCellMixins],
+  data() {
+    return {
+      ...common.data.apply(this),
+    }
+  },
+  computed: {
+    ...common.computed,
+  },
+  watch: {
+    ...common.watch,
+  },
+  methods: {
+    ...common.methods,
+  },
+  render(h) {
+    return h('span', {}, [
+      filterDictText(this.innerOptions, this.innerSelectValue || this.innerValue)
+    ])
+  },
+}
+
+// 请求id
+let requestId = 0
+
+// 输入选择组件
+export const DictSearchInputCell = {
+  name: 'JVxeSelectSearchInputCell',
+  mixins: [JVxeCellMixins],
+  data() {
+    return {
+      ...common.data.apply(this),
+
+      hasRequest: false,
+      scopedSlots: {
+        notFoundContent: () => {
+          if (this.loading) {
+            return <a-spin size="small"/>
+          } else if (this.hasRequest) {
+            return <div>没有查询到任何数据</div>
+          } else {
+            return <div>{this.tipsContent}</div>
+          }
+        }
+      }
+    }
+  },
+  computed: {
+    ...common.computed,
+    tipsContent() {
+      return this.originColumn.tipsContent || '请输入搜索内容'
+    },
+    filterOption() {
+      if (this.isAsync) {
+        return null
+      }
+      return (input, option) => option.componentOptions.children[0].text.toLowerCase().indexOf(input.toLowerCase()) >= 0
+    },
+  },
+  watch: {
+    ...common.watch,
+  },
+  created() {
+    this.loadData = debounce(this.loadData, 300)//消抖
+  },
+  methods: {
+    ...common.methods,
+
+    loadData(value) {
+      const currentRequestId = ++requestId
+      this.loading = true
+      this.innerOptions = []
+      if (value == null || value.trim() === '') {
+        this.loading = false
+        this.hasRequest = false
+        return
+      }
+      // 字典code格式：table,text,code
+      this.hasRequest = true
+      getAction(`/sys/dict/loadDict/${this.dict}`, {keyword: value}).then(res => {
+        if (currentRequestId !== requestId) {
+          return
+        }
+        let {success, result, message} = res
+        if (success) {
+          this.innerOptions = result
+          result.forEach((item) => {
+            common.labelMap.set(item.value, [item])
+          })
+        } else {
+          this.$message.warning(message)
+        }
+      }).finally(() => {
+        this.loading = false
+      })
+    },
+
+    handleChange(selectedValue) {
+      this.innerSelectValue = selectedValue
+      this.handleChangeCommon(this.innerSelectValue)
+    },
+    handleSearch(value) {
+      if (this.isAsync) {
+        // 在输入时也应该开启加载，因为loadData加了消抖，所以会有800ms的用户主观上认为的卡顿时间
+        this.loading = true
+        if (this.innerOptions.length > 0) {
+          this.innerOptions = []
+        }
+        this.loadData(value)
+      }
+    },
+
+    renderOptionItem() {
+      let options = []
+      this.options.forEach(({value, text, label, title, disabled}) => {
+        options.push(
+          <a-select-option key={value} value={value} disabled={disabled}>{text || label || title}</a-select-option>
+        )
+      })
+      return options
+    },
+  },
+  render() {
+    return (
+      <a-select
+        showSearch
+        allowClear
+        value={this.innerSelectValue}
+        filterOption={this.filterOption}
+        style="width: 100%"
+        {...this.cellProps}
+        onSearch={this.handleSearch}
+        onChange={this.handleChange}
+        scopedSlots={this.scopedSlots}
+      >
+        {this.renderOptionItem()}
+      </a-select>
+    )
+  },
+  // 【组件增强】注释详见：JVxeCellMixins.js
+  enhanced: {
+    aopEvents: {
+      editActived: event => dispatchEvent(event, 'ant-select'),
+    },
+  }
+}