代码优化，用户列表加“角色”显示

magic-boot-ui/src/components/MagicBoot/mb-search.vue

@@ -70,9 +70,9 @@ export default {
     reset() {
       for(var key in this.where){
         if(this.where[key] instanceof Object){
-          this.where[key].value = ''
+          this.where[key].value = null
         }else{
-          this.where[key] = ''
+          this.where[key] = null
         }
       }
       this.$nextTick(() => this.$emit('search'))

magic-boot-ui/src/components/MagicBoot/mb-select.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <el-select v-if="mbType === 'select'" v-model="selectValue" v-bind="el" :style="{ width }" placeholder="请选择" filterable clearable>
+    <el-select v-if="mbType === 'select'" v-model="selectValue" v-bind="el" :style="{ width }" :placeholder="placeholder || '请选择'" filterable clearable>
       <el-option
         v-for="item in selectList"
         :key="item.value"
@@ -68,6 +68,10 @@ export default {
     el: {
       type: Object,
       default: () => {}
+    },
+    placeholder: {
+      type: String,
+      default: ''
     }
   },
   data() {
@@ -89,7 +93,7 @@ export default {
       this.loadData()
     },
     selectValue(value) {
-      if (this.el && this.el.multiple && !(this.value instanceof Array)) {
+      if (this.el && this.el.multiple && value.length > 0) {
         value = value.join(',')
       }
       this.$emit('update:value', value)

magic-boot-ui/src/components/MagicBoot/mb-table.vue

@@ -15,7 +15,7 @@
 
       <el-table-column v-if="selection" align="center" type="selection" width="50" />
 
-      <el-table-column v-if="showNo" label="序号" prop="num" align="center" width="100">
+      <el-table-column v-if="showNo" label="序号" prop="num" align="center" width="65">
         <template slot-scope="row">
           <span>{{ row.$index+1 }}</span>
         </template>