JFinal 存入数据库数据出错

Question

@JFinal 你好，想跟你请教个问题：

T_section section=new T_section();
					String sectionId = ele.elementText("SectionId");
					String sectionName = ele.elementText("SectionName");
					section.set("sectionId", sectionId);
					section.set("sname", sectionName);
					section.set("hid", hid);
					section.save();
					System.out.println("更新成功");
错误信息是：
com.jfinal.plugin.activerecord.ActiveRecordException: com.jfinal.plugin.activerecord.ActiveRecordException: The attribute name does not exist: id
	at com.jfinal.plugin.activerecord.Model.save(Model.java:375)
	at com.qfkj.model.update.UpdateSectionForAll.saveSection(UpdateSectionForAll.java:89)
	at com.qfkj.controller.hospital.T_hospitalController.index(T_hospitalController.java:11)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at com.jfinal.aop.Invocation.invoke(Invocation.java:71)
	at com.jfinal.core.ActionHandler.handle(ActionHandler.java:74)
	at com.jfinal.ext.handler.ContextPathHandler.handle(ContextPathHandler.java:47)
	at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:72)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:722)
Caused by: com.jfinal.plugin.activerecord.ActiveRecordException: The attribute name does not exist: id
	at com.jfinal.plugin.activerecord.Model.set(Model.java:119)
	at com.jfinal.plugin.activerecord.Model.getGeneratedKey(Model.java:396)
	at com.jfinal.plugin.activerecord.Model.save(Model.java:371)
	... 27 more

	

		

	

	

		

	
是因为我这个表的主键名不是id而是sid吗

Answer 1

后来在手册中看到了，可能是我以前看手册不够仔细，一直认为是在介绍config配置中但是其实是在5.2 5.2 ActiveRecordPlugin这一节

Answer 2

回复
看手册一定要仔细呀，何况你还在这里出现了问题，更要仔细看了

Answer 3

回复
好的，谢谢

Answer 4

映射 model 的时候设置一下主键名即可：

arp.addMapping("T_section", "sid", T_section.class) 

  这个在手册的中的例子中都有说明。

Answer 5

arp.addMapping("T_section", T_section.class);这样是不是默认主键是id？

Answer 6

回复
是怎样指定呢，看手册没有，也没有百度到

Answer 7

回复
默认为“id”，所以不是此名的话需要指定id字段名

Answer 8

回复
指定了主键名，但是出现列名“id” 无效我这里命名没有id这一列名啊

Answer 9

Config中注册Model时，给出的ID名不正确

Answer 10

设置了自增长的

Answer 11

你的主键没设置自增长吧！