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request.getparameter()获取不到数据问题

今天项目开发,springMvc使用request.getparameter("data")获取不到前端传过来的json数据,原因是:

ajax请求中添加了如下一段代码:

contentType : "application/json;charset=UTF-8",

而ajax传递json,默认是enctype=”application/x-www-form-urlencoded”是默认的编码方式

所以通过注释掉上面代码,直接使用默认的就可以解决问题

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