feat(input-item):add prop solid to custom title width (#413)

* Update readme

* feat(input-item): add prop solid to custom title width

#411

components/input-item/README.en-US.md

@@ -29,6 +29,7 @@ Vue.component(InputItem.name, InputItem)
 |name|name of input|String|-|one of the event arguments, is used to distinguish multi inputs|
 |v-model|value of input|String|-|-|
 |title|title of input|String|-|`slot left` as alternative|
+|solid <sup class="version-after">2.2.1+</sup>|the width of title is fixed or not|Boolean|`true`|-|
 |placeholder|placeholder of input|String|-|-|
 |brief|description|String|-|-|
 |maxlength|maximum number of characters that can be entered|String/Number|-|the maxlength of `phone` type is fixed at 11|

components/input-item/README.md

@@ -30,6 +30,7 @@ Vue.component(InputItem.name, InputItem)
 |name|表单名称|String|-|事件入参之一，可用于区分表单组件|
 |v-model|表单值|String|-|-|
 |title|表单左侧标题|String|-|可直接使用`slot left`代替|
+|solid <sup class="version-after">2.2.1+</sup>|是否固定标题宽度，超出会自动换行|Boolean|`true`|-|
 |placeholder|表单占位符|String|-|-|
 |brief|表单描述|String|-|-|
 |maxlength|表单最大字符数|String/Number|-|`phone`类型固定为11|

components/input-item/index.vue

@@ -16,7 +16,7 @@
       size
     ]"
     :title="title"
-    :solid="!isTitleLatent"
+    :solid="solid && !isTitleLatent"
   >
     <template slot="left">
       <slot name="left"></slot>
@@ -191,6 +191,10 @@ export default {
       type: Boolean,
       default: false,
     },
+    solid: {
+      type: Boolean,
+      default: true,
+    },
     clearable: {
       type: Boolean,
       default: false,