Could not instantiate bean class [java.util.List]: Specified class is an interface
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起因:在js中创建了一个用来存储数字的数组;传递到后台的时候用List<Long>接收
var ids=new Array();
ids.push(1);
结果报出错误: Could not instantiate bean class [java.util.List]: Specified class is an interface
解决办法:后台不能用list接收 而是用数组接收;然后在代码中将数组转换为list集合
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