AI助手支持GPT4.0
有关setdata问题?Questions about setdata?
有关setdata问题?
console.log("befor:" + that.shareImg);that.setData({ shareImg: res.tempFilePath });console.log("after:" + that.shareImg);console.log(res.tempFilePath);输出如下:befor:undefinedafter:undefinedhttp:undefined
那个shareimg我还有赋初始值,然而一样是未定义?不懂
js里面怎么才能用全局变量,困扰了一周,求救
console.log ("befor:" + that.shareImg ); that.setData ({ shareImg: res.tempFilePath }); console.log ("after:" + that.shareImg ); console.log ( res.tempFilePath )The output is as follows: befor:undefinedafter :unde finedhttp://tmp/wxb4f060XXXXXX7.pngundefined The shareimg I have assigned initial value, but the same is undefined? I don't know how to use global variables in JS. I've been bothering for a week. Please help me