<!--input.wxml-->
<view class="section">
<inputplaceholder="这是一个可以自动聚焦的input"auto-focus/>
</view>
<view class="section">
<inputplaceholder="这个只有在按钮点击的时候才聚焦" focus="{{focus}}" />
<viewclass="btn-area">
<buttonbindtap="bindButtonTap">使得输入框获取焦点</button>
</view>
</view>
<view class="section">
<input maxlength="10" placeholder="最大输入长度10" />
</view>
<view class="section">
<viewclass="section__title">你输入的是：{{inputValue}}</view>
<input bindinput="bindKeyInput" placeholder="输入同步到view中"/>
</view>
<view class="section">
<input bindinput="bindReplaceInput" placeholder="连续的两个1会变成2" />
</view>
<view class="section">
<input bindinput="bindHideKeyboard" placeholder="输入123自动收起键盘" />
</view>
<view class="section">
<inputtype="emoji" placeholder="这是一个带有表情的输入框" />
</view>
<view class="section">
<inputpassword type="number" />
</view>
<view class="section">
<inputpassword type="text" />
</view>
<view class="section">
<inputtype="digit" placeholder="带小数点的数字键盘"/>
</view>
<view class="section">
<inputtype="idcard" placeholder="身份证输入键盘" />
</view>
<view class="section">
<inputplaceholder-style="color:red" placeholder="占位符字体是红色的" />
</view>
//input.js
Page({
data:{
focus:false,
inputValue:""
},
bindButtonTap:function(){
this.setData({
focus:Date.now()
})
},
bindKeyInput:function(e){
this.setData({
inputValue:e.detail.value
})
},
bindReplaceInput:function(e){
varvalue = e.detail.value;
var pos= e.detail.cursor;
if(pos!= -1){
//光标在中间
varleft = e.detail.value.slice(0,pos);
//计算光标的位置
pos =left.replace(/11/g,'2').length;
}

//直接返回对象，可以对输入进行过滤处理，同时可以控制光标的位置
return {
value:value.replace(/11/g,'2'),
cursor:pos
}

//或者直接返回字符串,光标在最后边
//return value.replace(/11/g,'2'),
},
bindHideKeyboard:function(e){
if(e.detail.value=== "123"){
//收起键盘
wx.hideKeyboard();
}
}
})