dao!

pom.xml

@@ -47,7 +47,6 @@
             <version>4.12</version>
         </dependency>
 
-
         <!--common end-->
 
         <!--spring start-->
@@ -107,13 +106,13 @@
         <!--spring end-->
 
         <!--springmvc start-->
-
         <dependency>
             <groupId>jstl</groupId>
             <artifactId>jstl</artifactId>
             <!--<scope>provided</scope>-->
             <version>1.2</version>
         </dependency>
+
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
@@ -137,9 +136,6 @@
             <artifactId>spring-webmvc</artifactId>
             <version>${spring.version}</version>
         </dependency>
-
-
-
         <!--springmvc end-->
 
         <!--mybatis start-->
@@ -186,20 +182,18 @@
         <spring.version>4.2.0.RELEASE</spring.version>
     </properties>
 
-
-
     <!-- Build Settings -->
     <!--http://maven.apache.org/pom.html#Build_Settings-->
-   <!-- <build>
+    <build>
         <finalName>${artifactId}-${version}</finalName>
         <resources>
             <resource>
-                &lt;!&ndash;directory: 资源所在的位置&ndash;&gt;
+                <!--directory: 资源所在的位置-->
                 <directory>src/main/resources</directory>
-                &lt;!&ndash;filtering: 是否替换资源中的属性placehold&ndash;&gt;
+                <!--filtering: 是否替换资源中的属性placehold-->
                 <filtering>true</filtering>
             </resource>
         </resources>
-    </build>-->
+    </build>
 
 </project>

src/main/java/org/seckill/dto/Exposer.java

@@ -0,0 +1,106 @@
+package org.seckill.dto;
+
+/**
+ * 暴露秒杀地址DTO
+ * Created by wchb7 on 16-5-13.
+ */
+public class Exposer {
+
+    /**
+     * 秒杀是否开启
+     */
+    private boolean exposed;
+
+
+    private String md5;
+
+    private long seckillId;
+
+    /**
+     * 系统时间(毫秒)
+     */
+    private long now;
+
+    private long start;
+
+    private long end;
+
+    public Exposer(boolean exposed, String md5, long seckillId) {
+        this.exposed = exposed;
+        this.md5 = md5;
+        this.seckillId = seckillId;
+    }
+
+    public Exposer(boolean exposed, long seckillId, long now, long start, long end) {
+        this.exposed = exposed;
+        this.seckillId = seckillId;
+        this.now = now;
+        this.start = start;
+        this.end = end;
+    }
+
+    public Exposer(boolean exposed, long seckillId) {
+        this.exposed = exposed;
+        this.seckillId = seckillId;
+    }
+
+    public boolean isExposed() {
+        return exposed;
+    }
+
+    public void setExposed(boolean exposed) {
+        this.exposed = exposed;
+    }
+
+    public String getMd5() {
+        return md5;
+    }
+
+    public void setMd5(String md5) {
+        this.md5 = md5;
+    }
+
+    public long getSeckillId() {
+        return seckillId;
+    }
+
+    public void setSeckillId(long seckillId) {
+        this.seckillId = seckillId;
+    }
+
+    public long getNow() {
+        return now;
+    }
+
+    public void setNow(long now) {
+        this.now = now;
+    }
+
+    public long getStart() {
+        return start;
+    }
+
+    public void setStart(long start) {
+        this.start = start;
+    }
+
+    public long getEnd() {
+        return end;
+    }
+
+    public void setEnd(long end) {
+        this.end = end;
+    }
+
+    @Override
+    public String toString() {
+        return "Exposer{" +
+                "exposed=" + exposed +
+                ", md5='" + md5 + '\'' +
+                ", seckillId=" + seckillId +
+                ", now=" + now +
+                ", start=" + start +
+                ", end=" + end +
+                '}';
+    }
+}

src/main/java/org/seckill/dto/SeckillExecution.java

@@ -0,0 +1,83 @@
+package org.seckill.dto;
+
+import org.seckill.entity.SuccessKilled;
+import org.seckill.enums.SeckillStatEnum;
+
+/**
+ * 封装秒杀执行后的结果
+ * Created by wchb7 on 16-5-13.
+ */
+public class SeckillExecution {
+
+
+    private long seckillId;
+
+    /**
+     * 秒杀执行结果状态
+     */
+    private int state;
+
+    /**
+     * 状态表示
+     */
+    private String stateInfo;
+
+    private SuccessKilled successKilled;
+
+    public long getSeckillId() {
+        return seckillId;
+    }
+
+    public void setSeckillId(long seckillId) {
+        this.seckillId = seckillId;
+    }
+
+    public int getState() {
+        return state;
+    }
+
+    public void setState(int state) {
+        this.state = state;
+    }
+
+    public String getStateInfo() {
+        return stateInfo;
+    }
+
+    public void setStateInfo(String stateInfo) {
+        this.stateInfo = stateInfo;
+    }
+
+    public SuccessKilled getSuccessKilled() {
+        return successKilled;
+    }
+
+    public void setSuccessKilled(SuccessKilled successKilled) {
+        this.successKilled = successKilled;
+    }
+
+
+    public SeckillExecution(long seckillId, SeckillStatEnum statEnum, String stateInfo) {
+        this.seckillId = seckillId;
+        this.state = statEnum.getState();
+        this.stateInfo = statEnum.getStateInfo();
+        this.stateInfo = stateInfo;
+    }
+
+    public SeckillExecution(long seckillId, SeckillStatEnum statEnum, SuccessKilled successKilled) {
+        this.seckillId = seckillId;
+        this.state = statEnum.getState();
+        this.stateInfo = statEnum.getStateInfo();
+        this.successKilled = successKilled;
+    }
+
+    @Override
+    public String toString() {
+        return "SeckillExecution{" +
+                "seckillId=" + seckillId +
+                ", state=" + state +
+                ", stateInfo='" + stateInfo + '\'' +
+                ", successKilled=" + successKilled +
+                '}';
+    }
+}

src/main/java/org/seckill/enums/SeckillStatEnum.java

@@ -0,0 +1,39 @@
+package org.seckill.enums;
+
+/**
+ * Created by wchb7 on 16-5-14.
+ */
+public enum SeckillStatEnum {
+    SUCCESS(1, "秒杀成功"),
+    END(0, "秒杀结束"),
+    REPEAT_KILL(-1, "重复秒杀"),
+    INNER_ERROR(-2, "系统异常"),
+    DATA_REWRITE(-3, "数据篡改");
+
+    private int state;
+
+    private String stateInfo;
+
+    SeckillStatEnum(int state, String stateInfo) {
+        this.state = state;
+        this.stateInfo = stateInfo;
+    }
+
+    public int getState() {
+        return state;
+    }
+
+    public String getStateInfo() {
+        return stateInfo;
+    }
+
+    public static SeckillStatEnum stateOf(int index) {
+        for (SeckillStatEnum state : values()) {
+            if (state.getState() == index) {
+                return state;
+            }
+        }
+        return null;
+    }
+
+}

src/main/java/org/seckill/exception/RepeatKillException.java

@@ -0,0 +1,18 @@
+package org.seckill.exception;
+
+/**
+ * 重复秒杀异常(运行期异常)
+ * RuntimeException 不需要try/catch 而且Spring 的声明式事务只接收RuntimeException回滚策略.
+ * Created by wchb7 on 16-5-14.
+ */
+public class RepeatKillException extends SeckillException {
+
+    public RepeatKillException(String message) {
+        super(message);
+    }
+
+    public RepeatKillException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}

src/main/java/org/seckill/exception/SeckillCloseException.java

@@ -0,0 +1,16 @@
+package org.seckill.exception;
+
+/**
+ * Created by wchb7 on 16-5-14.
+ */
+public class SeckillCloseException extends SeckillException {
+
+    public SeckillCloseException(String message) {
+        super(message);
+    }
+
+    public SeckillCloseException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}

src/main/java/org/seckill/exception/SeckillException.java

@@ -0,0 +1,16 @@
+package org.seckill.exception;
+
+/**
+ * 秒杀相关业务异常
+ * Created by wchb7 on 16-5-14.
+ */
+public class SeckillException extends RuntimeException {
+
+    public SeckillException(String message) {
+        super(message);
+    }
+
+    public SeckillException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}