esenbase的使用练习

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jdbc 练习

  • 亿信华晨常用的jar包都集成在esenbase中啦 直接在 Nexus搜索下载

eclipse maven项目构建

  • eclipsej2ee 内置maven 说下配置pom.xml 实现如下功能
  • 优先在nexus下载jar 没有再从外网找 同式复制一份到nexus
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......
<repositories>
<repository>
<id>esenSnapshots</id>
<name>esenSnapshots</name>
<releases>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
<url>http://cc:8081/nexus/content/groups/public</url>
<layout>default</layout>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>esenSnapshots</id>
<name>esenSnapshots</name>
<releases>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>warn</checksumPolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
<checksumPolicy>fail</checksumPolicy>
</snapshots>
<url>http://cc:8081/nexus/content/groups/public</url>
<layout>default</layout>
</pluginRepository>
</pluginRepositories>
</project>


练习完整源码

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package com.fangjun.esensoft2;
import java.sql.Date;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;

import com.esen.*;
import com.esen.edf.domain.Result;
import com.esen.jdbc.ConnectionFactory;
import com.esen.jdbc.SimpleConnectionFactory;
import com.esen.jdbc.dialect.DataBaseInfo;
import com.esen.jdbc.dialect.DbDefiner;
import com.esen.jdbc.dialect.Dialect;
import com.essbase.services.olap.grid.Connection;
import com.essbase.services.olap.maxl.Statement;
import com.ibm.db2.jcc.a.db;
import com.informix.util.dateUtil;
import com.informix.util.stringUtil;
import com.mysql.jdbc.PreparedStatement;
import com.sanlink.util.FileFunc;
import com.sanlink.util.StmFunc;
import com.sanlink.util.StrFunc;
import com.sanlink.util.StringMap;
import com.sanlink.util.XmlFunc;

import aj.org.objectweb.asm.Type;


/**
 * Hello world!
 *
 */
public class App
{
    public static void main( String[] args )
    {
       String driver="com.mysql.jdbc.Driver";
       String url="jdbc:mysql://127.0.0.1:3306/test";
       String user="root";
       String pwd="admin";

       SimpleConnectionFactory fct=new SimpleConnectionFactory(driver,url,user,pwd, "debug");
       //获取数据库信息
       DataBaseInfo dbinfo=fct.getDialect().getDataBaseInfo();
       System.out.println("daNmae="+dbinfo.getDbName());
       System.out.println("Schema="+dbinfo.getDefaultSchema());
       System.out.println("Version="+dbinfo.getDriverVersion()+dbinfo.getDatabaseMajorVersion()+dbinfo.getDatabaseMinorVersion());

       //创建表
       testCreatTable(fct);

       //插入
       testInsert(fct);

       //查询
       testSelect(fct);

       //方言
       testDialect(fct);

       try {
		fct.close();
	} catch (SQLException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}

    }
     static void testCreatTable(SimpleConnectionFactory fct) {
    	 DbDefiner dbf=fct.getDbDefiner();
    	 String tableName="TestJdbcTable";

    	 //定义字段
    	 dbf.defineAutoIncField("ID_", 1);
         dbf.defineStringField("NAME_", 20, "'default name'", false, false);    	 
         dbf.defineDateField("CreateDate_", null, true, false);
         dbf.defineBlobField("photo_", null, true, false);
         dbf.defineClobField("resume_", null, true, false);

         dbf.defineField("introduction_",DbDefiner.FIELD_TYPE_STR,100,0,null,true,false);

         //定义主键
         dbf.definePrimaryKey("ID_");

         //定义索引
         dbf.defineIndex(null, "NAME_", false);

         //创建表
         java.sql.Connection conn;
         try {
        	 conn=fct.getConnection();
        	 try {
        		 //删除后重建
				dbf.dropTable(conn, null, tableName);
				dbf.createTable(conn, null, tableName);
				//直接创建自动更名
				dbf.createTable(conn, tableName,false);
			} catch (Exception e) {
				// TODO: handle exception
			}finally {
				fct.close();
			}
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
		}
     }

     static void testInsert(ConnectionFactory fct) {
    	 String tableName="TestJdbcTable";
    	 try {
			java.sql.Connection conn=fct.getConnection();
			try {
				String sql="insert into"+tableName
						+"(name_,createdate_,introduction_,photo_,resume_)values(?,?,?,?,?)";
				java.sql.PreparedStatement pstmt=conn.prepareStatement(sql);
				try {
					pstmt.setString(1, "zhangsan");
					pstmt.setDate(2, Date.valueOf("2018-10-30"));
					pstmt.setString(3, "introduction_intoduction_introduction");
					pstmt.setNull(4, Types.BLOB);
					pstmt.setNull(5, Types.CHAR);
					pstmt.addBatch();

					pstmt.setString(1, "lisi");
					pstmt.setDate(2, Date.valueOf("2017-10-30"));
					pstmt.setString(3, "introduction_李四intoduction_introduction");
					pstmt.setNull(4, Types.BLOB);
					pstmt.setNull(5, Types.CHAR);
					pstmt.addBatch();

					pstmt.executeBatch();


				} catch (Exception e) {
					// TODO: handle exception
				}finally {
					pstmt.close();
				}
			} catch (Exception e) {
				// TODO: handle exception
			}finally {
				conn.close();
			}
		} catch (Exception e) {
			// TODO: handle exception
		}
     }

     static void testSelect(ConnectionFactory fct) {
    	 System.out.println("\n test select");

    	 String tableName="TestJdbcTable";
    	 try {
			java.sql.Connection conn=fct.getConnection();
			try {
				String sql="select id_,name_,createdate_,introduction_ from"+tableName;
				java.sql.Statement stmt=conn.createStatement();
				try {
				   ResultSet rs=stmt.executeQuery(sql);

				   try {
					while (rs.next()) {
						System.out.println(rs.getInt(1)+"\t"+rs.getString(2)
						     +"\t"+rs.getString(3)+"\t"+rs.getString(4)+"\t"+rs.getString(5));


					}
				} finally {
					// TODO: handle finally clause
					rs.close();
				}
				} finally {
					// TODO: handle finally clause
					stmt.close();
				}
			} finally {
				// TODO: handle finally clause
				conn.close();
			}
		} catch (Exception e) {
			// TODO: handle exceptioe.
			e.printStackTrace();

		}
     }

     static void testDialect(ConnectionFactory fct) {
    	 System.out.println("\n  test Dialect" );
    	 Dialect dl=fct.getDialect();
    	 String tableName="TestJdbcTable";

    	 try {
			java.sql.Connection conn=fct.getConnection();
			try {
				String sql="select id_,"
			       +dl.funcNow()
			       +",name_,"+dl.funcLen("name_")
			       +","+dl.funcRepeat("name_", "3")
			       +"from"+tableName;
				java.sql.Statement stmt=conn.createStatement();
				try {
					ResultSet rs=stmt.executeQuery(sql);
					try {
						while (rs.next()) {
							System.out.println(rs.getInt(1)+"\t"+rs.getString(2)
						     +"\t"+rs.getString(3)+"\t"+rs.getString(4)+"\t"+rs.getString(5));

						}
					} finally {
						// w: handle finally clause
						rs.close();
					}

					System.out.println("\n countsql:");
					System.out.println(dl.getCountString(sql));
					System.out.println("\n createTablesql:");
					System.out.println(dl.getCreateTableByQureySql("newTableNmae", sql, false));
				} finally {
					// TODO: handle finally clause
					stmt.close();
				}

			} finally {
				// TODO: handle finally clause
				conn.close();
			}
		} catch (Exception e) {
			// TODO: handle exception
		}
     }


}