简体   繁体   English

使用JDBC更新查询mysql

[英]Update query mysql with JDBC

![enter image description here][1]I am trying to update data in table of MySQL database. ![在此处输入图片描述] [1]我正在尝试更新MySQL数据库表中的数据。 I am unable to do, since I am beginner so I have no idea how to do , kindly guide me properly. 由于我是新手,所以我无法做,所以我不知道该怎么做,请正确地指导我。 I would be thankful to you.............. 我会感谢你..............

Part of cade that generates exception: 生成异常的cade的一部分:

        java.sql.PreparedStatement statement = conection.prepareStatement("UPDATE  patient_details set  `Reg_Date`='?', `Name`='?', `Father_Husband_Name`='?', `Address`='?', `City`='?', `Cell_No`='?', `Martial_Status`='?', `Gender`='?', `Status`='?', `Age`='?' where 'Reg_No'='temp'"); 
                    statement.setInt(1, temp); 
                      statement.setString(2,textField_3.getText());
                      statement.setString(3,textField_1.getText());
                      statement.setString(4,textField_2.getText());
                      statement.setString(5,textArea.getText());
                      statement.setString(6,textField_4.getText());
                      statement.setString(7,textField_5.getText());
                      statement.setString(8,(String) comboBox.getSelectedItem()); 
                      statement.setString(9,(String) comboBox_1.getSelectedItem()); 
                      statement.setString(10,(String) comboBox_2.getSelectedItem()); 

                      statement.setInt(11,temp1); 

                      statement.executeUpdate();

Exception is: parameter out of range(1>number of paarameters which is 0) 例外是:参数超出范围(1>参数数为0)

YOu set 11 parameters but only have 10 ? 您设置了11个参数,但只有10个? in the statement. 在声明中。 The last part of the statement, the where clause - you have 语句的最后一部分,where子句-您有

where 'Reg_No'='temp'" 

which is not a variable. 这不是一个变量。 You should be able to drop the statement 您应该可以删除该语句

  statement.setInt(11,temp1); 

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM