第5章

zhuhaizhangsaihao · Dec 4, 2019 · d922eeb · d922eeb
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diff --git a/sp01-commons/.classpath b/sp01-commons/.classpath
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/sp01-commons/.project b/sp01-commons/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>sp01-commons</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>
diff --git a/sp01-commons/.settings/org.eclipse.jdt.core.prefs b/sp01-commons/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,8 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/sp01-commons/.settings/org.eclipse.m2e.core.prefs b/sp01-commons/.settings/org.eclipse.m2e.core.prefs
@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
diff --git a/sp01-commons/pom.xml b/sp01-commons/pom.xml
@@ -0,0 +1,67 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>cn.tedu</groupId>
+	<artifactId>sp01-commons</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>sp01-commons</name>
+	<dependencies>
+		<dependency>
+			<groupId>com.fasterxml.jackson.module</groupId>
+			<artifactId>jackson-module-parameter-names</artifactId>
+			<version>2.9.8</version>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-jdk8</artifactId>
+			<version>2.9.8</version>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-jsr310</artifactId>
+			<version>2.9.8</version>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-guava</artifactId>
+			<version>2.9.8</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>1.18.6</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>3.1.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+			<version>1.7.26</version>
+		</dependency>
+		<dependency>
+		    <groupId>org.apache.commons</groupId>
+		    <artifactId>commons-lang3</artifactId>
+		    <version>3.9</version>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.8.0</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/pojo/Item.java b/sp01-commons/src/main/java/cn/tedu/sp01/pojo/Item.java
@@ -0,0 +1,14 @@
+package cn.tedu.sp01.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Item {
+	private Integer id;
+	private String name;
+	private Integer number;
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/pojo/Order.java b/sp01-commons/src/main/java/cn/tedu/sp01/pojo/Order.java
@@ -0,0 +1,16 @@
+package cn.tedu.sp01.pojo;
+
+import java.util.List;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class Order {
+	private String id;
+	private User user;
+	private List<Item> items;
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/pojo/User.java b/sp01-commons/src/main/java/cn/tedu/sp01/pojo/User.java
@@ -0,0 +1,14 @@
+package cn.tedu.sp01.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class User {
+	private Integer id;
+	private String username;
+	private String password;
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/service/ItemService.java b/sp01-commons/src/main/java/cn/tedu/sp01/service/ItemService.java
@@ -0,0 +1,10 @@
+package cn.tedu.sp01.service;
+
+import java.util.List;
+
+import cn.tedu.sp01.pojo.Item;
+
+public interface ItemService {
+	List<Item> getItems(String orderId);
+	void decreaseNumbers(List<Item> list);
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/service/OrderService.java b/sp01-commons/src/main/java/cn/tedu/sp01/service/OrderService.java
@@ -0,0 +1,9 @@
+package cn.tedu.sp01.service;
+
+
+import cn.tedu.sp01.pojo.Order;
+
+public interface OrderService {
+	Order getOrder(String orderId);
+	void addOrder(Order order);
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/sp01/service/UserService.java b/sp01-commons/src/main/java/cn/tedu/sp01/service/UserService.java
@@ -0,0 +1,8 @@
+package cn.tedu.sp01.service;
+
+import cn.tedu.sp01.pojo.User;
+
+public interface UserService {
+	User getUser(Integer id);
+	void addScore(Integer id, Integer score);
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/web/util/CookieUtil.java b/sp01-commons/src/main/java/cn/tedu/web/util/CookieUtil.java
@@ -0,0 +1,62 @@
+package cn.tedu.web.util;
+
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class CookieUtil {
+
+	/**
+	 * @param response
+	 * @param name
+	 * @param value
+	 * @param maxAge
+	 */
+	public static void setCookie(HttpServletResponse response,
+			String name, String value, String domain, String path, int maxAge) {
+		Cookie cookie = new Cookie(name, value);
+		if(domain != null) {
+			cookie.setDomain(domain);
+		}
+		cookie.setPath(path);
+		cookie.setMaxAge(maxAge);
+		response.addCookie(cookie);
+	}
+	public static void setCookie(HttpServletResponse response, String name, String value, int maxAge) {
+		setCookie(response, name, value, null, "/", maxAge);
+	}
+	public static void setCookie(HttpServletResponse response, String name, String value) {
+		setCookie(response, name, value, null, "/", 3600);
+	}
+	public static void setCookie(HttpServletResponse response, String name) {
+		setCookie(response, name, "", null, "/", 3600);
+	}
+
+	/**
+	 * @param request
+	 * @param name
+	 * @return
+	 */
+	public static String getCookie(HttpServletRequest request, String name) {
+		String value = null;
+		Cookie[] cookies = request.getCookies();
+		if (null != cookies) {
+			for (Cookie cookie : cookies) {
+				if (cookie.getName().equals(name)) {
+					value = cookie.getValue();
+				}
+			}
+		}
+		return value;
+	}
+
+	/**
+	 * @param response
+	 * @param name
+	 * @return
+	 */
+	public static void removeCookie(HttpServletResponse response, String name, String domain, String path) {
+		setCookie(response, name, "", domain, path, 0);
+	}
+
+}
diff --git a/sp01-commons/src/main/java/cn/tedu/web/util/JsonResult.java b/sp01-commons/src/main/java/cn/tedu/web/util/JsonResult.java
@@ -0,0 +1,92 @@
+package cn.tedu.web.util;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class JsonResult<T> {
+	/** 成功 */
+	public static final int SUCCESS = 200;
+
+	/** 没有登录 */
+	public static final int NOT_LOGIN = 400;
+
+	/** 发生异常 */
+	public static final int EXCEPTION = 401;
+
+	/** 系统错误 */
+	public static final int SYS_ERROR = 402;
+
+	/** 参数错误 */
+	public static final int PARAMS_ERROR = 403;
+
+	/** 不支持或已经废弃 */
+	public static final int NOT_SUPPORTED = 410;
+
+	/** AuthCode错误 */
+	public static final int INVALID_AUTHCODE = 444;
+
+	/** 太频繁的调用 */
+	public static final int TOO_FREQUENT = 445;
+
+	/** 未知的错误 */
+	public static final int UNKNOWN_ERROR = 499;
+
+	private int code;
+	private String msg;
+	private T data;
+
+
+
+	public static JsonResult build() {
+		return new JsonResult();
+	}
+	public static JsonResult build(int code) {
+		return new JsonResult().code(code);
+	}
+	public static JsonResult build(int code, String msg) {
+		return new JsonResult<String>().code(code).msg(msg);
+	}
+	public static <T> JsonResult<T> build(int code, T data) {
+		return new JsonResult<T>().code(code).data(data);
+	}
+	public static <T> JsonResult<T> build(int code, String msg, T data) {
+		return new JsonResult<T>().code(code).msg(msg).data(data);
+	}
+
+	public JsonResult<T> code(int code) {
+		this.code = code;
+		return this;
+	}
+	public JsonResult<T> msg(String msg) {
+		this.msg = msg;
+		return this;
+	}
+	public JsonResult<T> data(T data) {
+		this.data = data;
+		return this;
+	}
+
+
+	public static JsonResult ok() {
+		return build(SUCCESS);
+	}
+	public static JsonResult ok(String msg) {
+		return build(SUCCESS, msg);
+	}
+	public static <T> JsonResult<T> ok(T data) {
+		return build(SUCCESS, data);
+	}
+	public static JsonResult err() {
+		return build(EXCEPTION);
+	}
+	public static JsonResult err(String msg) {
+		return build(EXCEPTION, msg);
+	}
+
+	@Override
+	public String toString() {
+		return JsonUtil.to(this);
+	}
+}