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abel533abel533
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更新到Mapper3.2.2，增加增删改查和分页例子。
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15 files changed

+424
-10718
lines changed

15 files changed

+424
-10718
lines changed

‎pom.xml

+6-6
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@@ -22,7 +22,7 @@
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<!-- 编译jdk版本 -->
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<jdk.version>1.6</jdk.version>
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<!-- 依赖版本 -->
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<mapper.version>3.2.2-SNAPSHOT</mapper.version>
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<mapper.version>3.2.2</mapper.version>
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<pagehelper.version>4.0.0</pagehelper.version>
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<mysql.version>5.1.29</mysql.version>
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<spring.version>4.1.2.RELEASE</spring.version>
@@ -50,14 +50,14 @@
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp</groupId>
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<artifactId>javax.servlet.jsp-api</artifactId>
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<version>2.3.1</version>
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<artifactId>jsp-api</artifactId>
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<version>2.1</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>javax.servlet.jsp.jstl</groupId>
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<artifactId>javax.servlet.jsp.jstl-api</artifactId>
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<version>1.2.1</version>
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<groupId>javax.servlet</groupId>
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<artifactId>jstl</artifactId>
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<version>1.2</version>
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</dependency>
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<dependency>
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<groupId>javax.ws.rs</groupId>

‎src/main/java/com/isea533/mybatis/controller/demo/CountryController.java

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package com.isea533.mybatis.controller.demo;
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import com.github.pagehelper.PageInfo;
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import com.isea533.mybatis.model.Country;
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import com.isea533.mybatis.service.CountryService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.servlet.ModelAndView;
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import java.util.List;
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/**
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* @author liuzh_3nofxnp
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* @since 2015-09-19 17:15
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*/
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@Controller
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public class CountryController {
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@Autowired
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private CountryService countryService;
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private String page_list = "index";
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private String redirect_list = "redirect:list";
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@RequestMapping(value = {"list", "index", "index.html", ""})
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public ModelAndView getList(Country country,
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@RequestParam(required = false, defaultValue = "1") int page,
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@RequestParam(required = false, defaultValue = "10") int rows) {
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ModelAndView result = new ModelAndView(page_list);
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List<Country> countryList = countryService.selectByCountry(country, page, rows);
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result.addObject("pageInfo", new PageInfo<Country>(countryList));
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result.addObject("queryParam", country);
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result.addObject("page", page);
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result.addObject("rows", rows);
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return result;
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}
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@RequestMapping(value = "view", method = RequestMethod.GET)
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public ModelAndView view(Country country) {
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ModelAndView result = new ModelAndView();
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if (country.getId() != null) {
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country = countryService.selectByKey(country.getId());
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}
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result.addObject("country", country);
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return result;
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}
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@RequestMapping(value = "save", method = RequestMethod.POST)
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public ModelAndView save(Country country) {
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ModelAndView result = new ModelAndView(redirect_list);
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if (country.getId() != null) {
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countryService.updateAll(country);
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} else {
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countryService.save(country);
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}
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return result;
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}
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@RequestMapping("delete")
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public String delete(Integer id) {
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countryService.delete(id);
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return redirect_list;
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}
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}

‎src/main/java/com/isea533/mybatis/controller/demo/DemoController.java

-60
This file was deleted.

‎src/main/java/com/isea533/mybatis/service/CountryService.java

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package com.isea533.mybatis.service;
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import com.isea533.mybatis.model.Country;
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import java.util.List;
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/**
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* @author liuzh_3nofxnp
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* @since 2015-09-19 17:17
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*/
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public interface CountryService extends IService<Country> {
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/**
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* 根据条件分页查询
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*
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* @param country
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* @param page
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* @param rows
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* @return
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*/
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List<Country> selectByCountry(Country country, int page, int rows);
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}

‎src/main/java/com/isea533/mybatis/service/DemoService.java renamed to ‎src/main/java/com/isea533/mybatis/service/IService.java

+17-26
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@@ -24,36 +24,27 @@
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package com.isea533.mybatis.service;
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27-
import com.isea533.mybatis.model.Country;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import tk.mybatis.mapper.common.Mapper;
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import java.util.List;
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/**
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* @author liuzh
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* 通用接口
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*/
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@Service
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public class DemoService extends BaseService<Country> {
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@Autowired
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private Mapper<Country> countryMapper;
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public int save(Country country) {
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if (country == null) {
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throw new NullPointerException("保存的对象不能为空!");
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}
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if (country.getCountrycode() == null || country.getCountrycode().equals("")) {
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throw new RuntimeException("国家代码不能为空!");
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}
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if (country.getCountryname() == null || country.getCountryname().equals("")) {
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throw new RuntimeException("国家名称不能为空!");
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}
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return super.save(country);
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}
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public void test() {
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int result = countryMapper.selectCount(null);
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System.out.println(result);
57-
}
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public interface IService<T> {
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T selectByKey(Object key);
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int save(T entity);
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int delete(Object key);
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int updateAll(T entity);
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int updateNotNull(T entity);
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List<T> selectByExample(Object example);
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//TODO 其他...
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}

‎src/main/java/com/isea533/mybatis/service/BaseService.java renamed to ‎src/main/java/com/isea533/mybatis/service/impl/BaseService.java

+24-18
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* THE SOFTWARE.
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*/
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25-
package com.isea533.mybatis.service;
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package com.isea533.mybatis.service.impl;
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27-
import tk.mybatis.mapper.common.Mapper;
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import com.github.pagehelper.PageHelper;
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import com.isea533.mybatis.service.IService;
2928
import org.springframework.beans.factory.annotation.Autowired;
3029
import org.springframework.stereotype.Service;
30+
import tk.mybatis.mapper.common.Mapper;
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import java.util.List;
3333

3434
/**
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* Created by liuzh on 2014/12/11.
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*/
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@Service
38-
public abstract class BaseService<T> {
38+
public abstract class BaseService<T> implements IService<T> {
3939

4040
@Autowired
4141
protected Mapper<T> mapper;
4242

43-
public int save(T entity){
43+
@Override
44+
public T selectByKey(Object key) {
45+
return mapper.selectByPrimaryKey(key);
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}
47+
48+
public int save(T entity) {
4449
return mapper.insert(entity);
4550
}
4651

47-
public int delete(T entity){
48-
return mapper.deleteByPrimaryKey(entity);
52+
public int delete(Object key) {
53+
return mapper.deleteByPrimaryKey(key);
4954
}
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51-
/**
52-
* 单表分页查询
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*
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* @param pageNum
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* @param pageSize
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* @return
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*/
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public List<T> selectPage(int pageNum,int pageSize){
59-
PageHelper.startPage(pageNum, pageSize);
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//Spring4支持泛型注入
61-
return mapper.select(null);
56+
public int updateAll(T entity) {
57+
return mapper.updateByPrimaryKey(entity);
6258
}
59+
60+
public int updateNotNull(T entity) {
61+
return mapper.updateByPrimaryKeySelective(entity);
62+
}
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64+
public List<T> selectByExample(Object example) {
65+
return mapper.selectByExample(example);
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}
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//TODO 其他...
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}

‎src/main/java/com/isea533/mybatis/service/impl/CountryServiceImpl.java

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package com.isea533.mybatis.service.impl;
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3+
import com.github.pagehelper.PageHelper;
4+
import com.isea533.mybatis.model.Country;
5+
import com.isea533.mybatis.service.CountryService;
6+
import org.springframework.stereotype.Service;
7+
import tk.mybatis.mapper.entity.Example;
8+
import tk.mybatis.mapper.util.StringUtil;
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10+
import java.util.List;
11+
12+
/**
13+
* @author liuzh_3nofxnp
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* @since 2015-09-19 17:17
15+
*/
16+
@Service("countryService")
17+
public class CountryServiceImpl extends BaseService<Country> implements CountryService {
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19+
@Override
20+
public List<Country> selectByCountry(Country country, int page, int rows) {
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Example example = new Example(Country.class);
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Example.Criteria criteria = example.createCriteria();
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if (StringUtil.isNotEmpty(country.getCountryname())) {
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criteria.andLike("countryname", "%" + country.getCountryname() + "%");
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}
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if (StringUtil.isNotEmpty(country.getCountrycode())) {
27+
criteria.andLike("countrycode", "%" + country.getCountrycode() + "%");
28+
}
29+
if (country.getId() != null) {
30+
criteria.andEqualTo("id", country.getId());
31+
}
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//分页查询
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PageHelper.startPage(page, rows);
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return selectByExample(example);
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}
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}

‎src/main/resources/applicationContext.xml

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<bean class="tk.mybatis.spring.mapper.MapperScannerConfigurer">
8989
<property name="basePackage" value="com.isea533.mybatis.mapper"/>
90+
<!-- 3.2.2版本新特性，markerInterface可以起到mappers配置的作用，详细情况需要看Marker接口类 -->
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<property name="markerInterface" value="com.isea533.mybatis.util.MyMapper"/>
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<!-- 通用Mapper通过属性注入进行配置，默认不配置时会注册Mapper<T>接口
93+
<property name="properties">
94+
<value>
95+
mappers=tk.mybatis.mapper.common.Mapper
96+
</value>
97+
</property>
98+
-->
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</bean>
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93101
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate" scope="prototype">

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