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  • post请求的中文乱码问题

    post请求的中文乱码问题

    设置请求体的字符集为UTF-8,从而解决post请求的中文乱码问题
    req.setCharacterEncoding("UTF-8");

    这段语句必须在获取请求参数之前调用才有效,如果你先获取了密码的参数,再设置字符集,然后再获取用户名的参数,那么用户名的参数也会乱码的。

    package LWB;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import java.io.IOException;
    import java.util.Arrays;
    
    public class ParameterServlet extends HttpServlet {
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            System.out.println("----------------doGet---------------");
            String username=req.getParameter("username");
            String password=req.getParameter("password");
            String[] hobby=req.getParameterValues("hobby");
            System.out.println("用户名:"+username);
            System.out.println("密码:"+password);
            System.out.println("兴趣爱好:"+ Arrays.asList(hobby));
        }
    
        @Override
        protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    //      设置请求体的字符集为UTF-8,从而解决post请求的中文乱码问题
            req.setCharacterEncoding("UTF-8");
            System.out.println("----------------doPost---------------");
            String username=req.getParameter("username");
            String password=req.getParameter("password");
            String[] hobby=req.getParameterValues("hobby");
            System.out.println("用户名:"+username);
            System.out.println("密码:"+password);
            System.out.println("兴趣爱好:"+ Arrays.asList(hobby));
        }
    }
    
    
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  • 原文地址:https://www.cnblogs.com/fate-/p/14791696.html
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