jdbc MySQL

Author: chenhuaizhe

demo2/pom.xml

@@ -14,8 +14,8 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.3.RELEASE</version>
-		<relativePath/> <!-- lookup parent from repository -->
+		<version>1.5.8.RELEASE</version>
+		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
@@ -39,6 +39,22 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
+		
+		<dependency>  
+    	<groupId>com.google.code.gson</groupId>  
+    	<artifactId>gson</artifactId>  
+    	</dependency> 
+		
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-jdbc</artifactId>
+		</dependency>
+		
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+		</dependency>
+		
 	</dependencies>
 
 	<build>

demo2/src/main/java/com/example/demo/Demo2Application.java

@@ -4,7 +4,7 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
-public class Demo2Application {
+public class Demo2Application{
 
 	public static void main(String[] args) {
 		SpringApplication.run(Demo2Application.class, args);

demo2/src/main/java/com/example/demo/db/DataRepository.java

@@ -0,0 +1,63 @@
+package com.example.demo.db;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import com.example.demo.model.WalkingDataPojo;
+
+//导入要使用到的自己创建的工具类
+import com.example.demo.util.DateUtils;
+
+
+@Repository
+public class DataRepository {
+	//@Autowired 这个注解就是spring可以自动帮你把bean里面引用的对象的setter/getter方法省略，它会自动帮你set/get。
+	@Autowired
+	protected JdbcTemplate jdbc;
+	
+	
+	@Autowired
+	private DateUtils dateUtil = new DateUtils();
+	
+	SimpleDateFormat dt = dateUtil.getSimpleDateFormat();
+	
+	
+	/**
+	 * 查询walking历史
+	 * 
+	 * @param uid
+	 * @param sDate
+	 * @param eDate
+	 * @return
+	 */
+	public List<WalkingDataPojo> getWalkingDataOfWholeHistory(long uid, Date sDate, Date eDate) {
+		String sDateStr = dt.format(sDate);
+		String eDateStr = dt.format(eDate);
+		String sql = "select * from Walking where uid = ? and str_to_date(record_date,'%Y-%m-%d') "
+				+ " between str_to_date(?,'%Y-%m-%d %H:%i:%s') and str_to_date(?,'%Y-%m-%d %H:%i:%s');";
+
+		return jdbc.query(sql, walkingDataMapper, uid, sDateStr, eDateStr);
+	}
+	
+	private static final RowMapper<WalkingDataPojo> walkingDataMapper = new RowMapper<WalkingDataPojo>() {
+		public WalkingDataPojo mapRow(ResultSet rs, int rowNum) throws SQLException {
+			WalkingDataPojo walkingData = new WalkingDataPojo();
+			walkingData.setUid(rs.getLong("uid"));
+			walkingData.setRecord_date(rs.getDate("record_date").getTime() / 1000);
+			walkingData.setStep(rs.getInt("step") );
+			walkingData.setCalorie(rs.getFloat("calorie"));
+			walkingData.setDistance(rs.getFloat("distance"));
+			walkingData.setData_from(rs.getString("data_from"));
+			return walkingData;
+		}
+	};
+
+}

demo2/src/main/java/com/example/demo/model/WalkingDataPojo.java

@@ -0,0 +1,68 @@
+package com.example.demo.model;
+
+public class WalkingDataPojo {
+	
+	private long uid;
+    private long record_date;
+	private String date;
+	private int step;
+    private float calorie;
+    private float distance;
+    private String data_from;
+
+	public long getUid() {
+		return uid;
+	}
+	public void setUid(long uid) {
+		this.uid = uid;
+	}
+
+	public long getRecord_date() {
+		return record_date;
+	}
+	public void setRecord_date(long record_date) {
+		this.record_date = record_date;
+	}
+
+	public int getStep() {
+		return step;
+	}
+	public void setStep(int step) {
+		this.step = step;
+	}
+
+	public float getCalorie() {
+		return calorie;
+	}
+	public void setCalorie(float calorie) {
+		this.calorie = calorie;
+	}
+
+	public float getDistance() {
+		return distance;
+	}
+	public void setDistance(float distance) {
+		this.distance = distance;
+	}
+
+	public String getData_from() {
+		return data_from;
+	}
+	public void setData_from(String data_from) {
+		this.data_from = data_from;
+	}
+
+	public String getDate() {
+		return date;
+	}
+
+	public void setDate(String date) {
+		this.date = date;
+	}
+
+	public WalkingDataPojo() {
+		super();
+
+	}
+
+}

demo2/src/main/java/com/example/demo/sport/SportController.java

@@ -1,25 +1,36 @@
 package com.example.demo.sport;
 
+//导入一些需要使用到的系统类库
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.example.demo.db.*;
+import com.example.demo.model.WalkingDataPojo;
+//导入要使用到的自己创建的工具类
 import com.example.demo.util.*;
+import com.example.demo.db.DataRepository;
+
 
 
 @RestController
 public class SportController {
 
 	private DateUtils dateUtil = new DateUtils();
 
+	@Autowired
+	private DataRepository dbRepository;
+	
 	@RequestMapping(value = "/getstep", method = RequestMethod.GET)
 	public String getStepData(long uid,String date) {
 		try {
@@ -31,11 +42,12 @@ public String getStepData(long uid,String date) {
 			SimpleDateFormat sdf= new SimpleDateFormat("yyyyMMdd");
 			java.util.Date sDate =(java.util.Date) sdf.parse(date);
 			Date sqlsDate = dateUtil.getSqlDate(sDate);
-			//根据 uid 和 date 查询数据，一般是去查询数据库；这里暂时使用假数据；
-			Map m = getStepDataFromDB(uid,sqlsDate) ;
+			//根据 uid 和 date 查询数据，一般是去查询数据库；
+			Date eDate = dateUtil.getEndTimeByStartDate(sqlsDate, 0);
+			List<WalkingDataPojo> list = dbRepository.getWalkingDataOfWholeHistory(uid, sqlsDate, eDate);
 			//构造json返回值
 			Return2Client response = new Return2Client(ErrorResponseBuilder.SUCCESS);
-			response.setContent(m);
+			response.setContent(list);
 			return response.toJson();
 
 		} catch (ParseException e) {
@@ -45,6 +57,7 @@ public String getStepData(long uid,String date) {
 
 
 	/************************************************* Private ***********************************************************/
+	//检测时间是否合理的私有方法
 	private boolean VerifyStartTime(String st){
 		Pattern p = Pattern.compile("^\\d{8}$");
 		Matcher m = p.matcher(st);
@@ -55,13 +68,15 @@ private boolean VerifyStartTime(String st){
 		return true;
 	}
 
+	/*
+	//获取步数数据的私有方法，在这个方法里面，使用的是假数据
 	private Map<String,String> getStepDataFromDB(long uid,Date date){
 		Map<String,String> m1 = new HashMap<String,String>(); 
 	    m1.put("step", "8888");
 	    m1.put("calorie", "88");
 	    return m1;
 	}
-	
+	*/
 
 
 }

demo2/src/main/java/com/example/demo/util/DateUtils.java

@@ -4,9 +4,13 @@
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
+import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.springframework.stereotype.Service;
+
+@Service
 public class DateUtils {
 
 	public SimpleDateFormat df_ymd = new SimpleDateFormat("yyyyMMdd");
@@ -21,6 +25,23 @@ public boolean VerifyStartTime(String st){
 		}
 		return true;
 	}
+	
+	/**
+	 * 通过开始时间计算向后第N天
+	 * @param sDate  开始日期
+	 * @param ds     天数
+	 * @return
+	 */
+	public Date getEndTimeByStartDate(java.util.Date sDate,int ds){
+		Calendar calendar=Calendar.getInstance();
+		calendar.setTime(sDate);
+		calendar.set(Calendar.HOUR_OF_DAY, 23);
+		calendar.set(Calendar.MINUTE, 59);
+		calendar.add(Calendar.DATE, ds);
+		java.util.Date eDate = calendar.getTime();
+		Date sqlDate = new java.sql.Date(eDate.getTime());
+		return sqlDate;
+	}
 
 
 	/**
@@ -45,6 +66,13 @@ public java.util.Date numberToDate(int numberDate){
 			return null;
 		}
 	}
+	
+	/*返回统一时区，不受本地时间影响*/
+	public SimpleDateFormat getSimpleDateFormat() {
+		SimpleDateFormat dt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+		dt.setTimeZone(TimeZone.getTimeZone("GMT+0"));
+		return  dt;
+	}
 
 
 	public int getYear() {

demo2/src/main/java/com/example/demo/util/Message.java

@@ -1,11 +1,7 @@
 package com.example.demo.util;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
-/**
- * 
- * @author hzy
- *
- */
+
 public class Message {
 	private int retCode;
 	private String msg;
@@ -19,8 +15,6 @@ public int getRetCode() {
 		return retCode;
 	}
 
-	
-
 	public void setRetCode(int retCode) {
 		this.retCode = retCode;
 	}
@@ -41,7 +35,6 @@ public void setMsg(String msg) {
 	 * @return
 	 */
     public String toJson() {
-//        Gson gson = new Gson();
     	Gson gson = new GsonBuilder()
 		   .setDateFormat("yyyy-MM-dd HH:mm:ss").create();
         return gson.toJson(this);

demo2/src/main/java/com/example/demo/util/Return2Client.java

@@ -8,7 +8,6 @@ public Return2Client(int retCode) {
 
 	private Object content;
 
-	
 
 	public Object getContent() {
 		return content;

demo2/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+spring.datasource.url=jdbc:mysql://localhost:3306/Health
+spring.datasource.username=root
+spring.datasource.password=123456