iviwe input输入限制iview input@on-keyup="btKeyUp" @on-keydown="b

1. input只允许输入框输入数字字母下划线

@on-keyup="btKeyUp" @on-keydown="btKeyDown

btKeyUp(index: any) {
      this.id = this.id.replace(/[, ]/g, '')
      this.id = this.id.replace(/[\u4e00-\u9fa5]/ig, '')
      this.id = this.id.replace(/[^\w\u4E00-\u9FA5]/g, '')
    }

   btKeyDown(index: any) {this.id = this.id.replace(/[^a-z0-9_]/g, '')}

2.input只允许输入数字

@on-keyup="btKeyUp('id')"

keyupHandle(name) {
      this.form[name] = this.form[name].replace(/\D/g, '')
    }