gpt4 book ai didi

android - 将值从 Android 传递到 JSP

转载 作者:太空狗 更新时间:2023-10-29 14:16:35 25 4
gpt4 key购买 nike

我刚接触 Android 开发。目前,我正在 android 客户端中执行注册功能。我现在要做的只是将用户名和密码传递到 JSP 页面中。但是当我尝试我的应用程序时,它似乎没有将值传递到 JSP

安卓:

    public class RegisterActivity extends Activity {
String url = "http://101.78.175.101:20281/test/useradd.jsp";

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try {
setContentView(R.layout.registeractivity);
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);

List<NameValuePair> pairs = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("uid", "hardik"));
pairs.add(new BasicNameValuePair("pwd", "trivedi"));
post.setEntity(new UrlEncodedFormEntity(pairs));
client.execute(post);

TextView mail = (TextView) findViewById(R.id.Register_mail);
mail.setText("hello");

} catch (Exception e) {
e.printStackTrace();
}
}

}

JSP代码:

<%@ page import="java.sql.*" %>

<%
String connectionURL = "jdbc:mysql://localhost:3306/xxx";
Connection connection = null;
Statement statement = null;
int insert_flag = 0 ;
%>

<html>
<body>
<%
String insert_sql ;
String usermail, password;
usermail=request.getParameter("uid");
password=request.getParameter("pwd");

Class.forName("com.mysql.jdbc.Driver").newInstance();
connection = DriverManager.getConnection(connectionURL, "xxx", "xxx");
statement = connection.createStatement();

insert_sql = "insert into user ( usermail, userpassword ) values ( '" + usermail + "' , '" + password + "')" ;
insert_flag = statement.executeUpdate( insert_sql );

if ( insert_flag > 0 ) out.println("record inserted") ;

%>
</body>
</html>

最佳答案

您可以在请求中传递查询参数。在 JSP 中,您可以通过以下方式检索值:

<%= request.getParameter("name") %>

享受

关于android - 将值从 Android 传递到 JSP,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21376147/

25 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com