微信小程序 input 输入校验
Demo:
<view class="form-item">
重量(kg)
<input class="input" bindinput='bindinputWeight' type='number' maxlength='4' value="{{register.weight}}" placeholder-class="phcolor" placeholder='请输入重量' />
bindinputWeight(event) {
let value = this.validateNumber(event.detail.value);
let register = this.data.register;
register.weight = value;
this.setData({
register: register
});
},
//数字限制
validateNumber(val) {
return val.replace(/\D/g, '')
},