摘要：
Groovy learning 7-groovysql-Xueji Frost Flying-Blog Garden Groovy learning 7-Groovyssql发现Groovy的数据库操作非常简单，只有一行导入和两行操作代码。）“，[username，password]）//更新操作，或使用sql.execute（”updateusersetpassword=？“，[5]）//在业务逻辑层，可以直接返回listdefgetPersons（）｛defpersons=[]sql.eachRow｛persons˂˂it.toRowResult（）｝returnpersons｝//如果返回类的属性与指示一致，可以使用Personp=newPerson
groovy学习7-groovy sql - 雪霁霜飞 - 博客园
groovy学习7-groovy sql发现groovy操作数据库很简单，一行import，2行操作代码。
代码
import groovy.sql.Sql /** * @author <a href="mailto:zhangting@taobao.com">张挺</a> * @since 2010-4-2 15:07:35 * */piEstimate =3; println("Pi is about ${piEstimate}"); println("Pi is closer to ${22 / 7}"); //使用Sql对象查询//第一个it是普通的对象应用，第二个it是groovy表达式sql =Sql.newInstance("jdbc:mysql://localhost:3306/test", "root", "xxxxxxx", "com.mysql.jdbc.Driver") sql.eachRow("select * from user", { println it.id +"-- ${it.username} --"}); //取第一行row =sql.firstRow("select username, password from user") println "Row: columnA = ${row.username} and columnB = ${row.password}" //执行插入username ="yue"password ="O'shea"sql.execute("insert into user (username, password) values (${username}, ${password})") //another insert demo use prepareStatmentusername ="yue"password ="wu"sql.execute("insert into user (username, password) values (?,?)", [username, password]) //更新操作，也可以用sql.execute("update user set password = ? where id=?", [comment,4])comment ="test"sql.executeUpdate("update user set password = ? where id=?", [comment,4]) //deletesql.execute("delete from word where word_id = ?", [5]) //在业务逻辑层就可以这么用直接返回listdef getPersons() { def persons =[] sql.eachRow("Select * from user") { persons <<it.toRowResult() } returnpersons } //如果返回的类的属性和表明一致的话就可以这么做Person p =newPerson( it.toRowResult() )
