关于JSON(跨域)：XMLHttpRequest cannot load file:///E:/static/cartData.json. Cross origin requests..
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关于JSON的问题：XMLHttpRequest cannot load file:///E:/static/cartData.json. Cross origin requests are ...（此处省略）。
我的代码是：
this.$http.get("data/cartData.json").then(function(res){...});
会报出上面的错误
我的解决方法是：打开phpstudy,把项目文件放在根目录下去跑，成功.
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