SpringMVC+Mongodb+maven项目
来源：互联网 发布：许昌永诚网络 编辑：程序博客网 时间：2024/05/17 23:04
BaseDao.java
package com.yiyuwanglu.basecore.dao;import java.util.List;public interface BaseDao {<T> T findById(Class<T> entityClass, String id);<T> List<T> findAll(Class<T> entityClass);void remove(Object obj);void add(Object obj);void saveOrUpdate(Object obj);}MongoDBBaseDao.java
package com.yiyuwanglu.basecore.dao.mongodb;import java.util.Collection;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Qualifier;import org.springframework.data.mongodb.core.MongoTemplate;import org.springframework.data.mongodb.core.query.Query;import org.springframework.stereotype.Repository;import com.yiyuwanglu.basecore.dao.BaseDao;import com.yiyuwanglu.basecore.page.Page;/** * mongodb数据泛型dao类 * * @author hjn * @version 1.0 2014-09-16 */@Repository(value = "mongoDBBaseDao")public class MongoDBBaseDao implements BaseDao {@Autowired@Qualifier("mongoTemplate")protected MongoTemplate mongoTemplate;/** * 依据主键id返回对象 * * @param id * 唯一标识 * @return T 对象 */public <T> T findById(Class<T> entityClass, String id) {return this.mongoTemplate.findById(id, entityClass);}/** * 依据类获取所有的对象列表 * * @param entityClass * 返回类型 * @return List<T> 返回对象列表 */public <T> List<T> findAll(Class<T> entityClass) {return this.mongoTemplate.findAll(entityClass);}/** * 删除一个对象 * * @param obj * 要删除的Mongo对象 */public void remove(Object obj) {this.mongoTemplate.remove(obj);}/** * 加入对象 * * @param obj * 要加入的Mongo对象 */public void add(Object obj) {this.mongoTemplate.insert(obj);}/** * 改动对象 * * @param obj * 要改动的Mongo对象 */public void saveOrUpdate(Object obj) {this.mongoTemplate.save(obj);}/** * 查询并分页 * * @param entityClass * 对象类型 * @param query * 查询条件 * @param page * 分页 * @return */public <T> List<T> findByQuery(Class<T> entityClass, Query query, Page page) {Long count = this.count(entityClass, query);page.setCount(count);int pageNumber = page.getCurrent();int pageSize = page.getPageCount();query.skip((pageNumber - 1) * pageSize).limit(pageSize);return this.mongoTemplate.find(query, entityClass);}/** * * @param entityClass * 查询对象 * @param query * 查询条件 * @return */public <T> Long count(Class<T> entityClass, Query query) {return this.mongoTemplate.count(query, entityClass);}/** * 批量插入 * @param entityClass 对象类 * @param collection 要插入的对象集合 */public <T> void addCollection(Class<T> entityClass, Collection<T> collection){this.mongoTemplate.insert(collection, entityClass);}public MongoTemplate getMongoTemplate() {return mongoTemplate;}}Page.java
package com.yiyuwanglu.basecore.page;import java.io.IOException;import java.io.Serializable;import javax.servlet.jsp.JspException;import javax.servlet.jsp.JspWriter;import javax.servlet.jsp.tagext.SimpleTagSupport;public class Page extends SimpleTagSupport implements Serializable { private static final long serialVersionUID = 1L;//序列号 private Integer current;//当前页码 private Long count;//记录总数 private Integer pageCount;//每页记录数 private String path;//页面链接 private String param;//传入的參数 private boolean notQueryCount = false;//为false在翻页时查询记录总数。默认false public Page() { this.current = 1; // 默认第一页 this.count = 0L; // 共多少条记录 this.pageCount = 10; // 默认每页10条记录 } @Override public void doTag() throws JspException, IOException { int pageSize = (int) (this.count / this.pageCount + (this.count % this.pageCount > 0 ? 1 : 0));//共多少页 //显示当前页和总页数 JspWriter out = this.getJspContext().getOut();//指定输入流，用于页面输出分页信息 StringBuffer sb = new StringBuffer();//构建StringBuffer对象，用户拼接分页标签 sb.append("<div class=\"page\">"); sb.append("<ul>"); //假设当前页在第一页，则首页和上一页没有超链接 if (this.current == 1) { sb.append("<li class=\"disabled\">首页</li><li class=\"disabled\">上一页</li>"); } else { sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(1); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">首页</a></li>"); sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(this.current - 1); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">上一页</a></li>"); } //以下的代码显示页码。当前页在中间位置 if (pageSize <= 10) { for (int i = 1; i <= pageSize; i++) { //假设页数小于等于10页,则所有显示 if (i == this.current) {//假设页码等于当前页，则该页数没有超链接 sb.append("<li class=\"current\">"); sb.append(i); sb.append("</li>"); } else {//否则给出超链接 sb.append("<li><a href=\""); sb.append(this.path); sb.append("?
current="); sb.append(i); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">"); sb.append(i); sb.append("</a></li>"); } } } else {//假设大于10页。则从当前页为中心仅仅显示当中10页 int index = 1; if (this.current > 4) {//而且假设当前页大于4页，从当前页前4页開始显示10个页数 if (this.current + 4 >= pageSize) {//假设当前页+4 >= 总页数。最后10页所有显示出来 for (int j = pageSize - 9; j <= pageSize; j++) { if (j == this.current) {//假设页码等于当前页。则该页数没有超链接 sb.append("<li class=\"current\">"); sb.append(j); sb.append("</li>"); } else {//否则给定超链接 sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(j); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">"); sb.append(j); sb.append("</a></li>"); } } } else { for (int j = this.current - 4; j <= pageSize; j++) { if (j == this.current) {//假设页码等于当前页，则该页数没有超链接 sb.append("<li class=\"current\">"); sb.append(j); sb.append("</li>"); } else {//否则给定超链接 sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(j); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">"); sb.append(j); sb.append("</a></li>"); } index++; if (index > 10) {//假设循环到10次则退出循环 break; } } } } else { for (int i = 1; i <= pageSize; i++) { //假设页数小于等于10页,则所有显示 if (i == this.current) {//假设页码等于当前页，则该页数没有超链接 sb.append("<li class=\"current\">"); sb.append(i); sb.append("</li>"); } else {//否则给出超链接 sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(i); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">"); sb.append(i); sb.append("</a></li>"); } index++; if (index > 10) { break; } } } } //假设当前页是最后一页，则末页和下一页没有超链接 if (this.current.equals(pageSize) || this.count == 0) { sb.append("<li class=\"disabled\">下一页</li><li class=\"disabled\">末页</li>"); } else { sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(this.current + 1); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">下一页</a></li>"); sb.append("<li><a href=\""); sb.append(this.path); sb.append("?current="); sb.append(pageSize); if (this.param != null && !"".equals(this.param)) { sb.append("&"); sb.append(this.param); } sb.append("\">末页</a></li>"); } sb.append("</ul>"); sb.append("</div>"); out.print(sb); } /** * 获取总记录条数 * * @return */ public Long getCount() { return this.count; } /** * 设置总记录条数 * * @param count */ public void setCount(Long count) { this.count = count; } /** * 获取当前第几页 * * @return */ public Integer getCurrent() { return this.current; } /** * 设置当前第几页 * * @param current */ public void setCurrent(Integer current) { try { if (current <= 0) { this.current = 1; } else { this.current = current; } } catch (Exception e) { this.current = 1; } } /** * 获取每页多少条记录 * * @return */ public Integer getPageCount() { return this.pageCount; } /** * 设置每页多少条记录 * * @param pageCount */ public void setPageCount(Integer pageCount) { this.pageCount = pageCount; } /** * 获取URI地址 * * @return */ public String getPath() { return path; } /** * 设置URI地址 * * @param path */ public void setPath(String path) { this.path = path; } /** * 获取參数值 * * @return */ public String getParam() { return param; } /** * 设置參数值 * * @param param */ public void setParam(String param) { String[] x = param.split("&"); StringBuilder sb = new StringBuilder(); for (int i = 0; i < x.length; i++) { String[] y = x[i].split("="); if (y.length > 1 && !"".equals(y[1].trim())) { sb.append(x[i]); sb.append("&"); } } this.param = sb.toString().substring(0, sb.toString().lastIndexOf("&")); } /** * 获取总页数 * * @return */ public int getPages() { if (this.count % this.pageCount == 0) { return (int) (this.count / this.pageCount); } else { return (int) (this.count / this.pageCount + 1); } } /** * 是否为第一页 * * @return */ public boolean firstEnable() { return previoEnable(); } /** * 是否为最后一页 * * @return */ public boolean lastEnable() { return nextEnable(); } /** * 是否有下一页 * * @return */ public boolean nextEnable() { return this.current * this.pageCount < this.count; } /** * 是否有上一页 * * @return */ public boolean previoEnable() { return this.current > 1; } public boolean isNotQueryCount() { return this.notQueryCount; } public void setNotQueryCount(boolean notQueryCount) { this.notQueryCount = notQueryCount; } /** * 获取任一页第一条数据在数据集的位置. * * @param pageNo 从1開始的页号 * @param pageSize 每页记录条数 * @return 该页第一条数据 */ public int getStartOfPage(long pageNo, long pageSize) { return (int) ((pageNo - 1) * pageSize); }}
User.java
package com.yiyuwanglu.test.entity;import java.util.Date;import org.springframework.data.mongodb.core.mapping.Document;@Documentpublic class User {private String id;private String username;private int age;private Date createTime;public User() {}public User(String username, int age, Date createTime) {super();this.username = username;this.age = age;this.createTime = createTime;}public String getId() {return id;}public void setId(String id) {this.id = id;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public Date getCreateTime() {return createTime;}public void setCreateTime(Date createTime) {this.createTime = createTime;}}BaseTest.java
package basetest;import org.junit.runner.RunWith;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations={"classpath:config/spring/applicationContext.xml"})public class BaseTest { }TestBaseDao.javapackage basetest.dao;import java.util.ArrayList;import java.util.Date;import java.util.List;import javax.annotation.Resource;import org.junit.Test;import org.springframework.data.mongodb.core.query.Criteria;import org.springframework.data.mongodb.core.query.Query;import basetest.BaseTest;import com.yiyuwanglu.basecore.dao.mongodb.MongoDBBaseDao;import com.yiyuwanglu.test.entity.User;public class TestBaseDao extends BaseTest {@Resource(name = "mongoDBBaseDao")MongoDBBaseDao mongoDBBaseDao;/** * 插入单条数据。id自己定义 */public void testAdd() {User user = new User();Date creatTime = new Date();user.setCreateTime(creatTime);user.setAge(10);user.setUsername("福東江a");this.mongoDBBaseDao.add(user);}/** * 插入100万条数据，id自己定义 */@Testpublic void testAddCollection() {List<User> userList = new ArrayList<User>();for (int j = 0; j < 10; j++) {for (int i = 0; i < 100000; i++) {User user = new User();Date creatTime = new Date();user.setCreateTime(creatTime);user.setAge(10);user.setUsername("册南");userList.add(user);}}this.mongoDBBaseDao.add(userList);}@Testpublic void testFindAll() {List<User> userList = this.mongoDBBaseDao.findAll(User.class);for (User user : userList) {System.out.println("id:" + user.getId() + " username:" + user.getUsername() + " age:" + user.getAge());}System.out.println("获取所有的数据----------------------");}@Testpublic void testFindById() {User user = this.mongoDBBaseDao.findById(User.class, "1234567");System.out.println(user.getUsername());System.out.println("获取单个对象----------------------");}@Testpublic void testUpdate() {User user = this.mongoDBBaseDao.findById(User.class, "1234567");user.setUsername("反倒是淮");this.mongoDBBaseDao.saveOrUpdate(user);User newUser = this.mongoDBBaseDao.findById(User.class, "1234567");System.out.println(newUser.getUsername());System.out.println("改动数据成功");this.mongoDBBaseDao.saveOrUpdate(user);}@Testpublic void testRemove() {User user = this.mongoDBBaseDao.findById(User.class, "1234567");this.mongoDBBaseDao.remove(user);User oldUser = this.mongoDBBaseDao.findById(User.class, "1234567");if (oldUser == null) {System.out.println(oldUser == null);System.out.println("删除对象成功");}this.mongoDBBaseDao.add(user);}@Testpublic void testCount() {Query query = new Query();Criteria criteria = new Criteria();criteria.and("username").is("福東");query.addCriteria(criteria);long total = this.mongoDBBaseDao.count(User.class, query);System.out.println("用户总数:" + total);}} - SpringMVC+Mongodb+maven项目
- SpringMvc整合mongodb maven项目
- springmvc+mongodb+maven 项目搭建配置
- springmvc+mongodb+maven 项目测试代码
- springmvc+mongodb+maven 项目搭建配置
- SpringMVC + MongoDB + Maven 搭建项目架构。
- springmvc-mongodb-maven整合
- springmvc mongodb maven 整合
- SpringMVC+MongoDB+Maven整合
- mongodb+springmvc+spring+maven配置
- Maven构建SpringMVC项目
- Maven新建SpringMVC项目
- Springmvc配置(maven项目)
- maven创建springmvc项目
- maven spring springmvc 项目
- maven 创建springmvc项目
- Maven 创建springMvc项目
- maven创建springmvc项目
- 三种简单的排序算法（java实现）
- 对象的创建过程
- 一文总结学习 Python 的 14 张思维导图
- 手慢无 | 年薪30万也离职学的Linux运维课？到底教什么？
- Linux vim 快捷键
- SpringMVC+Mongodb+maven项目
- NOIP-2008 双栈排序
- SprongMVC Initializing Spring root WebApplicationContext
- linux服务器间传输-sftp
- Docker拥抱k8s早有预兆，Docker现何去何从？
- unity3d uGUI 高级封装
- MeshCore -- Bluetooth Mesh SDK
- ECS Linux开启swap（虚拟内存）
- elasticsearch 多列 聚合（sql group by）
