init 2

Author: JesusBetaX

.gitignore

@@ -0,0 +1 @@
+/nbproject/private/

nbproject/project.properties

@@ -39,8 +39,8 @@ javac.deprecation=false
 javac.external.vm=true
 javac.processorpath=\
     ${javac.classpath}
-javac.source=1.8
-javac.target=1.8
+javac.source=1.7
+javac.target=1.7
 javac.test.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}

src/com/jx/db/DataBaseConfig.java

@@ -25,23 +25,4 @@ public static DataBase getDataBaseMySQL() {
     }
     return mysql;
   }
-
-  public static void main(String... args) throws SQLException {
-    DataBase db = DataBaseConfig.getDataBaseMySQL();
-
-    String sql = "SELECT * FROM producto";
-
-    try (ResultSet rs = db.query(sql)) {
-      while (rs.next()) {
-        int idProducto = rs.getInt("idProducto");
-        String codigo = rs.getString("codigo");
-        String nombre = rs.getString("nombre");
-        
-        System.out.format("%1$-10s %2$-20s %3$20s\n", 
-                idProducto, codigo, nombre);
-      }
-    } finally {
-      db.close();
-    }
-  }
 }

src/com/jx/db/Demo.java

@@ -0,0 +1,53 @@
+package com.jx.db;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.LinkedHashMap;
+
+/**
+ *
+ * @author Jesus
+ */
+public class Demo {
+
+  public void select() throws SQLException {
+    try (DataBase db = DataBaseConfig.getDataBaseMySQL()) {
+      String sql = "SELECT * FROM producto";
+
+      try (ResultSet rs = db.query(sql)) {
+        while (rs.next()) {
+          int idProducto = rs.getInt("idProducto");
+          String codigo = rs.getString("codigo");
+          String nombre = rs.getString("nombre");
+
+          System.out.format("%1$-10s %2$-20s %3$20s\n",
+                  idProducto, codigo, nombre);
+        }
+      }
+    }
+  }
+
+  public void insert() throws SQLException {
+    try (DataBase db = DataBaseConfig.getDataBaseMySQL()) {
+      LinkedHashMap<String, Object> values = new LinkedHashMap<>();
+      values.put("codigo", "PC-89273912");
+      values.put("nombre", "PC");
+      int idProducto = db.insert("producto", values);
+    }
+  }
+  
+  public void upadte(int idProducto) throws SQLException {
+    try (DataBase db = DataBaseConfig.getDataBaseMySQL()) {
+      LinkedHashMap<String, Object> values = new LinkedHashMap<>();
+      values.put("codigo", "PC-89273912");
+      values.put("nombre", "PC");
+      db.update("producto", values, 
+              "idProducto = ?", idProducto);
+    }
+  }
+
+  public static void main(String... args) throws SQLException {
+    Demo demo = new Demo();
+  }
+
+}