1、错误描述
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.sql.SQLException: Generated keys not requested. You need to specify Statement.RETURN_GENERATED_KEYS to Statement.executeUpdate() or Connection.prepareStatement().
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:996)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:935)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:924)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:870)
at com.mysql.jdbc.StatementImpl.getGeneratedKeys(StatementImpl.java:1817)
at com.alibaba.druid.filter.FilterChainImpl.statement_getGeneratedKeys(FilterChainImpl.java:2621)
at com.alibaba.druid.filter.FilterAdapter.statement_getGeneratedKeys(FilterAdapter.java:2524)
at com.alibaba.druid.filter.FilterEventAdapter.statement_getGeneratedKeys(FilterEventAdapter.java:415)
at com.alibaba.druid.filter.FilterChainImpl.statement_getGeneratedKeys(FilterChainImpl.java:2618)
at com.alibaba.druid.proxy.jdbc.StatementProxyImpl.getGeneratedKeys(StatementProxyImpl.java:299)
at com.alibaba.druid.pool.DruidPooledStatement.getGeneratedKeys(DruidPooledStatement.java:599)
at com.mes.joint.dao.trans.impl.MagreeDaoSyncSupport$4.setValues(MagreeDaoSyncSupport.java:214)
at org.springframework.jdbc.core.JdbcTemplate$4.doInPreparedStatement(JdbcTemplate.java:999)
at org.springframework.jdbc.core.JdbcTemplate$4.doInPreparedStatement(JdbcTemplate.java:989)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:644)
... 46 more
2、错误原因
private static final String SQL_INSERT_STUDENT = "insert into t_student_info(student_name,student_age,student_sex,student_addr) values(?,?,?,?) ";
@Resource
private DruidDataSource dataSource;
Connection conn = dataSource.getConnection();
con.setAutoCommit(false);
PreparedStatement pstm = conn.prepareStatement(SQL_INSERT_STUDENT, PreparedStatement.RETURN_GENERATED_KEYS);
for (Map<String,String> map:mapList)
{
pstm.setString(1,map.get("studentName"));
pstm.setString(2,map.get("studentAge"));
pstm.setString(3,map.get("studentSex"));
pstm.setString(4,map.get("studentAddr"));
pstm.addBatch();
}
pstm.executeBatch();
conn.commit();
ResultSet rs = pstm.getGeneratedKeys();
List<Integer> list = new ArrayList<Integer>();
while(rs.next())
{
list.add(rs.getInt(1));
}
conn.close();
pstm.close();
rs.close();
ResultSet rs = pstm.getGeneratedKeys(); 无法获取自动增长的ID3、解决办法
(1)首先,先插入数据
(2)然后,利用某一字段查询出id
(3)最后,将ID放入到map集合中