此文已由作者夏昀授權網易云社區發布。
歡迎訪問網易云社區，了解更多網易技術產品運營經驗。
Model類如下：package com.xy.model
1?package?com.xy.model;2?3?/**4??*?Created?by?helloworld?on?2015/1/30.5??*/6?public?class?NameQa?{7?????private?long?id;8?????private?String?nameQa;9?
10?????public?long?getId()?{
11?????????return?id;
12?????}
13?
14?????public?void?setId(long?id)?{
15?????????this.id?=?id;
16?????}
17?
18?????public?String?getNameQa()?{
19?????????return?nameQa;
20?????}
21?
22?????public?void?setNameQa(String?nameQa)?{
23?????????this.nameQa?=?nameQa;
24?????}
25?}1?package?com.xy.model;2?3?/**4??*?Created?by?helloworld?on?2015/1/30.5??*/6?public?class?NameDev?{7?????private?long?id;8?????private?String?nameDev;9?
10?????public?long?getId()?{
11?????????return?id;
12?????}
13?
14?????public?void?setId(long?id)?{
15?????????this.id?=?id;
16?????}
17?
18?????public?String?getNameDev()?{
19?????????return?nameDev;
20?????}
21?
22?????public?void?setNameDev(String?nameDev)?{
23?????????this.nameDev?=?nameDev;
24?????}
25?}qa數據源的mybatis mapper接口 package com.xy.dao
1?package?com.xy.dao;2?3?import?com.xy.model.NameQa;4?5?/**6??*?Created?by?helloworld?on?2015/1/30.7??*/8?public?interface?NameQaMapper?{9?????int?insert(NameQa?nameQa);
10?}dev數據源的mybatis mapper接口 package com.xy.devdao
1?package?com.xy.daodev;2?3?import?com.xy.model.NameDev;4?5?/**6??*?Created?by?helloworld?on?2015/1/30.7??*/8?public?interface?NameDevMapper?{9?????int?insert(NameDev?nameDev);
10?}處理事務的service
1?package?com.xy.service;2?3?import?com.xy.dao.NameQaMapper;4?import?com.xy.daodev.NameDevMapper;5?import?com.xy.model.NameDev;6?import?com.xy.model.NameQa;7?import?org.springframework.beans.factory.annotation.Autowired;8?import?org.springframework.stereotype.Service;9?import?org.springframework.transaction.annotation.Transactional;10?
11?/**
12??*?Created?by?helloworld?on?2015/1/30.
13??*/
14?@Service
15?public?class?NameService?{
16?????@Autowired
17?????NameQaMapper?nameQaMapper;
18?????@Autowired
19?????NameDevMapper?nameDevMapper;
20?
21?????@Transactional(rollbackFor?=?Exception.class)
22?????public?void?addQaAndDev(boolean?hasException)?throws?Exception?{
23?????????NameQa?nameQa?=?new?NameQa();
24?????????nameQa.setNameQa("qa");
25?????????nameQaMapper.insert(nameQa);
26?
27?????????NameDev?nameDev?=?new?NameDev();
28?????????nameDev.setNameDev("dev");
29?????????nameDevMapper.insert(nameDev);
30?
31?????????if(hasException)?{
32?????????????throw?new?Exception();
33?????????}
34?????}
35?
36?
37?}controller代碼
1?package?com.xy.controller;2?3?import?com.xy.service.NameService;4?import?org.springframework.beans.factory.annotation.Autowired;5?import?org.springframework.stereotype.Controller;6?import?org.springframework.ui.ModelMap;7?import?org.springframework.web.bind.annotation.RequestMapping;8?import?org.springframework.web.bind.annotation.RequestMethod;9?import?org.springframework.web.bind.annotation.RequestParam;
10?
11?/**
12??*?Created?by?helloworld?on?2014/11/22.
13??*/
14?@Controller
15?public?class?mybatisController?{
16?
17?????@Autowired
18?????NameService?nameService;
19?
20?????@RequestMapping(value?=?"/addName",?method?=?RequestMethod.POST)
21?????ModelMap?addName(@RequestParam("hasException")?boolean?hasException)?{
22?????????try?{
23?????????????nameService.addQaAndDev(hasException);
24?????????}?catch?(Exception?e)?{
25?????????????e.printStackTrace();
26?????????????return?new?ModelMap("false");
27?????????}
28?????????return?new?ModelMap("true");
29?????}
30?
31?
32?}將項目打成war包，命名為mybatis.war部署在tomcat上。
測試：
request parameters: hasException=false
返回：true 數據添加成功
request parameters: hasException=true
返回：false 兩個數據庫數據都未添加
網易云免費體驗館，0成本體驗20+款云產品！?
更多網易技術、產品、運營經驗分享請點擊。
相關文章：
【推薦】?從海報視覺到網頁設計
【推薦】?【你離硅谷只差一步】網易中國創業家大賽項目火熱征集中
【推薦】?關于Runtime.getRuntime().exec()產生阻塞的2個陷阱
)
