A页面跳转B页面之后返回:
cityNameClick:
function
(event) {
var
cityName = event.currentTarget.dataset.cityname;
console.log(cityName);
var
pages = getCurrentPages();
var
currPage = pages[pages.length - 1];
//当前页面
var
prevPage = pages[pages.length - 2];
//上一个页面
//直接调用上一个页面的setData()方法,把数据存到上一个页面中去
prevPage.setData({
cityName: cityName
})
wx.navigateBack();
},
小程序页面回传值
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