angularjs中的异步操作,
"异步问题"
1.叫回来 $scope.$apply() ????angularjs中涉及到数据检查的东西，这个方法表示告诉angularjs,值已经改变了。
2.用angularjs自己的方法 $http.get()
<!DOCTYPE html><html><head> ???<meta charset="utf-8" /> ???<title>angularjs中的异步操作,"异步问题" 1.叫回来 $scope.$apply() ????2.用angularjs自己家的 ?$http.get() ???</title> ???<script src="https://cdn.staticfile.org/angular.js/1.5.5/angular.min.js"></script> ???<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"> ???</script></head><body ng-app="myApp"> ???<div ng-controller="main"> ???????<ul> ???????????<li ng-repeat="a in arr"> ???????????????{{a}} ???????????</li> ???????</ul> ???</div> ??<script type="text/javascript"> ????????????????let mod = angular.module("myApp", []); ??????mod.controller("main", ["$scope","$http", function ($scope,$http) { ??????????$http.get("arr.txt").then(function (res) { ??????????????console.log(res.data); ??????????????$scope.arr = res.data; ??????????}, function(err){ ??????????????console.log("失败"); ??????????????}); ??????????//$http.get("arr.txt").then((res) => { ??????????// ???$scope.arr = res.data; ??????????//}, (err) => { ??????????// ???alert("失败"); ??????????//}); ??????????//setTimeout(function () { ??????????// ???$scope.arr = [12, 5, 8]; ??????????// ???$scope.$apply(); ??????????//}, 10); ??????????//$.ajax({ ??????????// ???url: "arr.txt", ??????????// ???dataType: "json", ??????????// ???success(res) { ??????????// ???????alert(res); ???????????????????????// ???????$scope.arr = res; ??????????// ???????$scope.$apply(); ??????????// ???}, ??????????// ???error() { ??????????// ???????alert("错了"); ??????????// ???} ??????????//}); ?????????// $scope.arr = [12,5,8]; ??????}]); ??</script></body></html>angularjs中的异步操作
原文地址：https://www.cnblogs.com/zhumeiming/p/9813449.html