[英]I can't make an Insert in MYSQL with a SOAP web service in Java using JDBC driver
嗨,我正在嘗試測試連接到mysql localhost(xampp)的Web服務Soap java,但是我無法在數據庫中插入任何行,這是我的代碼
Conexion.java
import java.sql.Connection
import java.sql.DriverManager
public class Conexion {
public static final Connection ConectarMySQL() throws SQLException
{
Connection conn;
try
{
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/controldecalidad", "root", "");
}
catch(SQLException ex)
{
throw new SQLException(ex.getMessage());
}
return conn;
}
}
這是網絡服務
@WebMethod(operationName= "registra_rechazo")
public void registra_rechazo(@WebParam(name = "SKU")String SKU,@WebParam(name = "fecha")String fecha,
@WebParam(name = "num_captura")String num_captura,@WebParam(name = "pesoCaptura") int pesoCaptura)
{
try
{
Connection conn = Conexion.ConectarMySQL();
String sql = "INSERT INTO registra_rechazo VALUES(?,?,?,?)";
PreparedStatement pst = conn.prepareStatement(sql);
pst.setString(1, SKU);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd");
pst.setString(2, dateFormat.format(fecha));
pst.setString(3, num_captura);
pst.setInt(4, pesoCaptura);
pst.execute();
pst.close();
conn.close();
}
catch(SQLException Ex)
{
}
}
這是錯誤https://i.stack.imgur.com/aWO16.png
更新! 我檢查了我的proyect,並收到了這個新錯誤https://i.stack.imgur.com/uHRQW.png
我缺少什么? 請幫忙!!!!
我終於解決了!
在Conexion類中,刪除靜態final,然后為該類創建一個構造函數
public class Conexion {
public Conexion(){
}
public Connection getConecction()
{
Connection con = null;
try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/controldecalidad", "root", "");
}catch(SQLException ex){
}
catch(Exception ex){
}
return con;
}
}
然后我創建了一個擁有所有操作的班級
public class Operaciones
{
Conexion conexion;
public Operaciones()
{
conexion = new Conexion();
}
public boolean registra_rechazo(String SKU,String fecha,String num_captura,int pesoCaptura)
{
Boolean bandera=false;
try
{
Connection conn = conexion.getConecction();
java.util.Date utilStartDate = new java.util.Date(fecha);
java.sql.Date sqlStartDate = new java.sql.Date(utilStartDate.getTime());
String sql = "INSERT INTO registra_rechazo VALUES(?,?,?,?)";
PreparedStatement pst = conn.prepareStatement(sql);
pst.setString(1, SKU);
pst.setDate(2, sqlStartDate);
pst.setString(3, num_captura);
pst.setInt(4, pesoCaptura);
if(pst.executeUpdate()!=-1){
bandera = true;
return bandera;
}
else{
bandera = false;
return bandera;
}
}
catch(SQLException Ex)
{
}
return bandera;
}
}
然后我在Web服務中調用該方法,但首先必須通過Web服務(如圖像)中的添加操作來創建Web方法
https://i.stack.imgur.com/HjAHk.png
我不知道為什么,但是該方法僅在您使用該向導創建方法后才有效
@WebMethod(operationName = "operation")
public boolean operation(@WebParam(name = "SKU") String SKU, @WebParam(name = "fecha") String fecha, @WebParam(name = "num_captura") String num_captura, @WebParam(name = "peso_captura") int peso_captura) {
//TODO write your implementation code here:
Operaciones op = new Operaciones();
return op.registra_rechazo(SKU,fecha,num_captura,peso_captura);
}
然后Web方法必須返回某些內容,並且void無法工作
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