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hAs AlrEADy BEEn

前者强调已经完成的动作,后者强调 已经 做过的事,already后还要加动词 i have been there.我去过那(说话时已经回来了,并出现在对话发生地) he has already been there.他已经去过那了。(现在在哪不知道)

He has already been a teacher. 他已经是一个老师了。 He has already been to Beijing. 他已经去过北京了。

has already been taken是现在完成时的被动语态。 意思是“已经被采用/占用/采纳” 根据主语不同可译为不同的意思。 如: 1. Your seat has already been taken by others . 你的位置已经被别人占用了。 2. Your advice has already been taken . ...

It has already been repaired! 它已经被修理过了 应该是被动语态

this code has already been redeemed 此代码已被赎回 this code has already been redeemed 此代码已被赎回

把PrintWriter out = response.getWriter();删掉,因为你已经有一个OutputStream的。。建议你下次把那些get和post方法里面的代码都删掉再写你自己想写的代码。那样就不会影响进行别的操作!希望可以帮到你。

getOutputStream() has already been called for this response异常出现的原因和解决方法: jsp中出现此错误一般都是在jsp中使用了输出流(如输出图片验证码,文件下载等),没有妥善处理好的原因。 具体的原因:jsp编译成servlet之后在函数 _js...

电子邮件已被使用

如果你用了OutputStream,而web容器生成的servlet代码中有out.write(””),这个和JSP中调用的response.getOutputStream()冲突。 out.write()这个是字符流,而response.getOutputStream()是字节流,你不能在同一个页面中调用多个输出流。无论先调...

使用struts2 进行文件下载是,总报错: java.lang.IllegalStateException: getOutputStream() has already been called for this respons 解决办法: 把对应的action的返回设置为空,即可轻松解决。 例如: public class DownloadFileAction exte...

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