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javaweb:关于 ajax 请求时, dataType 和 java程序后端?400报错

javaweb里如何优雅的处理请求参数 400 请求报错

如何是正规的表单提交，可以用各种form验证框架，但是如果是一般的请求呢。比如数字，非空等，是在接收请求的块中用trycatch，并在开始提供默认值？如 void myrequest(){ int para1 = 1; String name = null; try{ para1 = Intege...

javaweb工程的一个功能无法实现请求帮忙报错

" 在写一个类似于校园图书馆的网页工程，在还书功能那里遇到麻烦了用的是mysql5.6+myeclipse10 其他功能都运行良好在DAO层/还书/ public void backBook(int bkid, int stid) throws Exception{ // TODO Auto-gen...

javaweb工程的一个功能无法实现请求帮忙

在写一个类似于校园图书馆的网页工程，在还书功能那里遇到麻烦了用的是mysql5.6+myeclipse10 其他功能都运行良好在DAO层/还书/ public void backBook(int bkid, int stid) throws Exception{ // TODO Auto-gener...

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这段时间都是在做pc端的业务，结果经理找到我说，可能要做移动端的应用，后台逻辑还是用我写的逻辑，但是需要改动一些，看看怎么处理。由于移动端和pc端还是稍微有些区别的，我觉得最好是在一个地儿统...

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