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作业

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#1 Created at ... [Delete] [Delete and Lock User]

        String name = req.getParameter("name");

        // 设置响应类型:

        resp.setContentType("text/html");

        // 获取输出流:

        PrintWriter pw = resp.getWriter();

        // 写入响应:

        if (name ==null) {

            pw.write("<h1>Hello, world!</h1>");

        } else {

            pw.write("<h1>hell0, " + name + "!</h1>");

        }

        // 最后不要忘记flush强制输出:

        pw.flush();

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#2 Created at ... [Delete] [Delete and Lock User]

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