使用vue-data-dict，简化数据字典使用

ruoyi-ui/src/utils/dict/DictConverter.js

@@ -0,0 +1,17 @@
+import DictOptions from './DictOptions'
+import DictData from './DictData'
+
+export default function(dict, dictMeta) {
+  const label = determineDictField(dict, dictMeta.labelField, ...DictOptions.DEFAULT_LABEL_FIELDS)
+  const value = determineDictField(dict, dictMeta.valueField, ...DictOptions.DEFAULT_VALUE_FIELDS)
+  return new DictData(dict[label], dict[value], dict)
+}
+
+/**
+ * 确定字典字段
+ * @param {DictData} dict
+ * @param  {...String} fields
+ */
+function determineDictField(dict, ...fields) {
+  return fields.find(f => Object.prototype.hasOwnProperty.call(dict, f))
+}