Merge branch 'master' of github.com:9th-js/wcui

src/form/input.js

@@ -355,6 +355,8 @@ class Input extends Component {
         <input
           ref="input"
           @input=${this.onInput}
+          @change=${this.onChange}
+          @keydown=${this.onKeyDown}
           placeholder=${this.placeholder}
           maxlength=${this.maxlength}
           minlength=${this.minlength}
@@ -377,6 +379,14 @@ class Input extends Component {
     this.$refs.input.value = ''
     this.value = ''
   }
+  onChange() {
+    this.$emit('change')
+  }
+  onKeyDown(e) {
+    if (e.keyCode === 13) {
+      this.$emit('submit')
+    }
+  }
   mounted() {
     if (this.autofocus) {
       // 火狐浏览器需要手动focus()才能聚焦成功