利用模版方法和泛型重构dao层 · 5316cc9b10 · 技术前沿网/spring-demo - 技术前沿网

		@@ -6,4 +6,4 @@
		##2.pom.xml
		###您只需要把依赖写入根目录下的pom.xml，并指定打包方式为war，然后push你的源码。点击mopass部署，部署过程中，mopass就会解析pom中的maven依赖并自动获取依赖，编译打包你的源码为war包，放到mopass的web服务器tomcat或jetty下。
		##3.启动应用
		-###这时你再点击运行或重新运行，mopass将为你启动web服务器，运行war包，数十秒后，你就可以访问mopass为你定制的服务地址啦:http://springblog.oschina.mopaas.com
		\ No newline at end of file
		+###这时你再点击运行或重新运行，mopass将为你启动web服务器，运行war包，数十秒后，你就可以访问mopass为你定制的服务地址啦:http://springblog.oschina.mopaas.com

src/main/java/messfairy/DatabaseConfig.java

查看文件 @ 5316cc9

		@@ -20,12 +20,12 @@ public class DatabaseConfig {
		// instantiate, configure and return DataSource
		BasicDataSource dataSource = new BasicDataSource();
		dataSource.setDriverClassName("com.mysql.jdbc.Driver");
		-// dataSource.setUrl("jdbc:mysql://localhost/myblog?characterEncoding=utf-8");
		-// dataSource.setUsername("root");
		-// dataSource.setPassword("root");
		- dataSource.setUrl("jdbc:mysql://10.4.12.173:3306/dd984836e9dde4d35b01ab87ec11b14f1?characterEncoding=utf-8");
		- dataSource.setUsername("umKFSjZ742Zih");
		- dataSource.setPassword("pTF2665xEkjWY");
		+ dataSource.setUrl("jdbc:mysql://localhost/myblog?characterEncoding=utf-8");
		+ dataSource.setUsername("root");
		+ dataSource.setPassword("root");
		+// dataSource.setUrl("jdbc:mysql://10.4.12.173:3306/dd984836e9dde4d35b01ab87ec11b14f1?characterEncoding=utf-8");
		+// dataSource.setUsername("umKFSjZ742Zih");
		+// dataSource.setPassword("pTF2665xEkjWY");
		dataSource.setValidationQuery("SELECT 1");
		configureDataSource(dataSource);
		return dataSource;

src/main/java/messfairy/controller/CommentsController.java 0 → 100644

查看文件 @ 5316cc9

		@@ -0,0 +1,21 @@
		+package messfairy.controller;
		+
		+import org.springframework.stereotype.Controller;
		+import org.springframework.web.bind.annotation.RequestMapping;
		+
		+/**
		+ * Created by hasee-pc on 2015/1/19.
		+ */
		+@Controller
		+@RequestMapping("/posts")
		+public class CommentsController {
		+ public void save(){
		+
		+ }
		+ public void create(){
		+
		+ }
		+ public void get(final long id){
		+
		+ }
		+}

src/main/java/messfairy/dao/AbstractDao.java 0 → 100644

查看文件 @ 5316cc9

		@@ -0,0 +1,39 @@
		+package messfairy.dao;
		+
		+import messfairy.entity.User;
		+import org.springframework.beans.factory.annotation.Autowired;
		+import org.springframework.dao.DataAccessException;
		+import org.springframework.jdbc.core.JdbcTemplate;
		+import org.springframework.jdbc.core.RowMapper;
		+import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
		+
		+import javax.sql.DataSource;
		+import java.sql.ResultSet;
		+import java.sql.SQLException;
		+import java.util.List;
		+
		+/**
		+ * Created by hasee-pc on 2015/1/19.
		+ */
		+public abstract class AbstractDao<T> {
		+ protected RowMapper<T> mapper = mapper();
		+ protected JdbcTemplate template;
		+ protected NamedParameterJdbcTemplate jdbcTemplate;
		+ protected RowMapper<T> mapper(){
		+ return new RowMapper<T>() {
		+ public T mapRow(final ResultSet rs, int rowNum) throws SQLException {
		+ return map(rs);
		+ }
		+ };
		+ }
		+ public List<T> queryAll(final String abstractSql) throws DataAccessException {
		+ return this.jdbcTemplate.query(abstractSql, mapper());
		+ }
		+ protected abstract T map(final ResultSet rs) throws SQLException;
		+ @Autowired
		+ public void setDataSource(DataSource dataSource){
		+ this.jdbcTemplate = new NamedParameterJdbcTemplate(dataSource);
		+ this.template = new JdbcTemplate(dataSource);
		+ }
		+
		+}

src/main/java/messfairy/dao/CommentsDao.java 0 → 100644

查看文件 @ 5316cc9

		@@ -0,0 +1,62 @@
		+package messfairy.dao;
		+
		+import messfairy.entity.Comment;
		+import org.springframework.dao.DataAccessException;
		+import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
		+import org.springframework.jdbc.core.namedparam.SqlParameterSource;
		+import org.springframework.stereotype.Repository;
		+
		+import java.sql.ResultSet;
		+import java.sql.SQLException;
		+import java.sql.Types;
		+import java.util.Date;
		+import java.util.HashMap;
		+import java.util.List;
		+import java.util.Map;
		+
		+@Repository
		+public class CommentsDao extends AbstractDao<Comment>{
		+ @Override
		+ protected Comment map(final ResultSet rs) throws SQLException {
		+ Comment comment = new Comment();
		+ comment.setId(Integer.valueOf(rs.getInt("id")));
		+ comment.setPid(rs.getInt("pid"));
		+ comment.setContent(rs.getString("content"));
		+ comment.setCreateDate(rs.getDate("create_date"));
		+ return comment;
		+ }
		+ public void create(final Comment comment) {
		+ String insertSql = "INSERT INTO COMMENTS(name, first_name, last_name, password, email, create_date) VALUES (?, ?, ?, ?, ?, ?)";
		+ Object[] params = { comment.getContent(), new Date()};
		+ int[] types = { Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.VARCHAR, Types.TIMESTAMP };
		+ int row = this.template.update(insertSql, params, types);
		+ System.out.println(row + " row inserted.");
		+ }
		+
		+ public Comment byId(int id) throws DataAccessException {
		+ String sql = "select id, pid, content, create_date from COMMENTS where id=:id";
		+ SqlParameterSource namedParameters = new MapSqlParameterSource("id", Integer.valueOf(id));
		+ return this.jdbcTemplate.queryForObject(sql, namedParameters, mapper());
		+ }
		+
		+ public Comment byName(final String name) throws DataAccessException{
		+ String sql = "select id, name, password, create_date, email from USERS where name = :name";
		+ SqlParameterSource namedParameters = new MapSqlParameterSource("name", name);
		+ return this.jdbcTemplate.queryForObject(sql, namedParameters, mapper());
		+ }
		+
		+ public Comment byLogin(final Comment comment) throws DataAccessException{
		+ String sql = "select id, name, password, create_date from USERS where name = :name and content = :content";
		+ Map<String, String> paramsMap = new HashMap<String, String>();
		+ paramsMap.put("name", comment.getContent());
		+ paramsMap.put("content", comment.getContent());
		+ SqlParameterSource namedParameters = new MapSqlParameterSource(paramsMap);
		+ return this.jdbcTemplate.queryForObject(sql, namedParameters, mapper);
		+ }
		+
		+ public List<Comment> queryAll() throws DataAccessException{
		+ String sql = "select id, name, password, create_date, email from USERS";
		+ List<Comment> comments = this.jdbcTemplate.query(sql, mapper);
		+ return comments;
		+ }
		+}

src/main/java/messfairy/entity/Comment.java 0 → 100644

查看文件 @ 5316cc9

		@@ -0,0 +1,45 @@
		+package messfairy.entity;
		+
		+import java.util.Date;
		+
		+/**
		+ * Created by hasee-pc on 2015/1/19.
		+ */
		+public class Comment {
		+ private int id;
		+ private int pid;
		+ private String content;
		+ private Date createDate;
		+
		+ public String getContent() {
		+ return content;
		+ }
		+
		+ public void setContent(String content) {
		+ this.content = content;
		+ }
		+
		+ public int getId() {
		+ return id;
		+ }
		+
		+ public void setId(int id) {
		+ this.id = id;
		+ }
		+
		+ public Date getCreateDate() {
		+ return createDate;
		+ }
		+
		+ public void setCreateDate(Date createDate) {
		+ this.createDate = createDate;
		+ }
		+
		+ public int getPid() {
		+ return pid;
		+ }
		+
		+ public void setPid(int pid) {
		+ this.pid = pid;
		+ }
		+}

技术前沿网 / spring-demoJava