page { data: { i_1: [ [{ name: '是1' , value: '1' },{ name: '否' , value: '0' }], [{ name: '是2' , value: '1' },{ name: '否' , value: '0' }] ], questions: [ "1.AAA" , "2.BBB" ], } radioChange: function (e) { var that = this ; console.log( 'radio发生change事件,携带value值为:' , e.detail.value); console.log( '11223' ,e.currentTarget.dataset.index) var index = e.currentTarget.dataset.index; var radioItems = that.data.i_1[index]; for ( var i = 0, len = radioItems.length; i < len; ++i) { radioItems[i].checked = radioItems[i].value == e.detail.value; } var objName = "i_1[" +index+ "].text" ; that.setData({ objName: radioItems }); console.log( "fuzhi:::::::" , this .data.i_1); }, } |
从console里可以看到,对象已经被赋值成功,但是 view里取到是空
< block wx:for = "{{questions}}" wx:key = "q" > < view class = "weui-cells__title" >{{item}}</ view > < view class = "weui-cells weui-cells_after-title" > < radio-group data-index = "{{index}}" bindchange = "radioChange" > < label class = "weui-cell weui-check__label" wx:for = "{{i_1[index]}}" wx:for-item = "j" wx:key = "value" > < radio class = "weui-check" value = "{{j.value}}" checked = "{{j.checked}}" /> < view class = "weui-cell__bd" >{{j.name}}</ view > < view class = "weui-cell__ft weui-cell__ft_in-radio" wx:if = "{{j.checked}}" > < icon class = "weui-icon-radio" type = "success_no_circle" size = "16" ></ icon > </ view > </ label > </ radio-group > </ view > </ block > |
应该怎么写,才能让view取到 checked 属性?