5.29博客

标签：02 preparedStatement setString 博客 userInfo com app 5.29

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学习内容：安卓

package com.example.app_02.utils;
import com.example.app_02.database.MySQLConnection; import com.example.app_02.entity.User; import com.example.app_02.entity.UserInfo;
public class UserInfoDao extends MySQLConnection {     public int insertUserInfo(UserInfo userInfo) {         int value = 0;         connect();         try {             String sql = "insert into userinfo(studentid, name, phonenumber, class) values(?,?,?,?)";             preparedStatement = connection.prepareStatement(sql);             //将数据插入数据库中             preparedStatement.setString(1, userInfo.getStudentid());             preparedStatement.setString(2, userInfo.getName());             preparedStatement.setString(3, userInfo.getPhonenumber());             preparedStatement.setString(4, userInfo.getClassname());             value = preparedStatement.executeUpdate();         } catch (Exception e) {             e.printStackTrace();         } finally {             close();         }         return value;     } }

标签：02,preparedStatement,setString,博客,userInfo,com,app,5.29
From： https://www.cnblogs.com/zjm921/p/18251186