please refer http://blog.youkuaiyun.com/quechao123/article/details/6256653
alwayls happen like below, for example
try{
//error code
}catch(Exception e){
forward to error page
}
// do something
forward to the destination page-> lead to this error
alwayls happen like below, for example
try{
//error code
}catch(Exception e){
forward to error page
}
// do something
forward to the destination page-> lead to this error
本文探讨了在尝试执行可能引发错误的操作时如何通过异常处理机制进行错误捕获,并合理地将用户导向到错误提示页面,同时确保后续业务流程能够正常进行。
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