feat(Search): add clear-icon prop (#4463)

* feat(Search): add clear-icon prop

* docs(Search): update doc

packages/field/index.ts

@@ -49,6 +49,10 @@ VantComponent({
       type: String,
       value: '6.2em',
     },
+    clearIcon: {
+      type: String,
+      value: 'clear',
+    },
   },
 
   data: {

packages/field/index.wxml

@@ -29,7 +29,7 @@
 
     <van-icon
       wx:if="{{ showClear }}"
-      name="clear"
+      name="{{ clearIcon }}"
       class="van-field__clear-root van-field__icon-root"
       catch:touchstart="onClear"
     />

packages/search/README.md

@@ -134,6 +134,7 @@ Page({
 | use-right-icon-slot | 是否使用输入框右侧图标 slot | _boolean_ | `false` | - |
 | left-icon | 输入框左侧图标名称或图片链接，可选值见 Icon 组件（如果设置了 use-left-icon-slot，则该属性无效） | _string_ | `search` | - |
 | right-icon | 输入框右侧图标名称或图片链接，可选值见 Icon 组件（如果设置了 use-right-icon-slot，则该属性无效） | _string_ | - | - |
+| clear-icon `v1.8.4` | 清除[图标名称](#/icon)或图片链接 | _string_ | `clear` |
 
 ### Events
 

packages/search/index.ts

@@ -44,6 +44,10 @@ VantComponent({
       type: Boolean,
       value: true,
     },
+    clearIcon: {
+      type: String,
+      value: 'clear',
+    },
   },
 
   methods: {

packages/search/index.wxml

@@ -21,6 +21,7 @@
       disabled="{{ disabled }}"
       readonly="{{ readonly }}"
       clearable="{{ clearable }}"
+      clear-icon="{{ clearIcon }}"
       maxlength="{{ maxlength }}"
       input-align="{{ inputAlign }}"
       input-class="input-class"