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添加代码示例springboot-async
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‎README.md‎

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## 运行
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每个子项目都可以单独运行，都是打包成jar包后，通过使用内置jetty容器执行，有3种方式运行。
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每个子项目都可以单独运行，都是打包成jar包后，通过使用内置jetty容器执行，有3种方式运行。:point_right:
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1. 在IDEA里面直接运行Application.java的main函数。
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2. 另一种方式是执行`mvn clean package`命令后传到linux服务器上面，通过命令`java -jar xxx.jar`方式运行

‎springboot-async/.gitignore‎

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# 此为注释– 将被Git 忽略
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# /结尾表示是目录，忽略目录和目录下的所有件
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# /开头表示根目录，否则是.gitignore的相对目录
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# !开头表示反选
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.idea/
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target/
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*.iml
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*.ipr
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*.iws
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*.log
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.svn/
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.project
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rebel.xml
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.rebel-remote.xml.*

‎springboot-async/LICENSE‎

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The MIT License (MIT)
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Copyright (c) 2018 Xiong Neng
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

‎springboot-async/README.md‎

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## 异步线程池
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演示在SpringBoot中如何使用异步线程池
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## 测试用例
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`com.xncoding.pos.ApplicationTests.java`
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## 许可证
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Copyright (c) 2018 Xiong Neng
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基于 MIT 协议发布: <http://www.opensource.org/licenses/MIT>

‎springboot-async/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.xncoding</groupId>
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<artifactId>springboot-async</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>springboot-async</name>
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<description>异步线程池</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.9.RELEASE</version>
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<relativePath/>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-core</artifactId>
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<version>1.3</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.6.1</version>
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<configuration>
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<!--<proc>none</proc>-->
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>2.20</version>
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<configuration>
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<skip>true</skip>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<executions>
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</executions>
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</plugin>
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</plugins>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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</resource>
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<resource>
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<directory>src/main/java</directory>
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<includes>
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<include>**/*.xml</include>
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</includes>
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</resource>
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</resources>
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</build>
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</project>

‎springboot-async/run.sh‎

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#!/bin/bash
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# 项目自动更新脚本
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# 先clone相应的分支下来：
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# git clone ssh://[email protected]:7999/xxx.git
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# 远程调试启动：
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# nohup java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005 -Xms512m -Xmx1024m -jar -Dspring.profiles.active=${profile} ${jarfile} >/dev/null 2>&1 &
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function start {
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profile="$1"
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echo "启动环境profile=${profile}"
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jarfile=$(ls target/*.jar)
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if [[ "$?" == "0" ]]; then
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stop $profile $jarfile
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fi
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branch=$(git branch |awk '{print $2}')
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git pull origin ${branch}
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echo "更新完代码开始重新打包"
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mvn clean && mvn clean && mvn package -DskipTests=true
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if [[ "$?" != "0" ]]; then
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echo "编译出错，退出！"
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exit 1
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fi
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echo "nohup java -Xms512m -Xmx1024m -jar -Dspring.profiles.active=${profile} ${jarfile} >/dev/null 2>&1 &"
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nohup java -Xms512m -Xmx1024m -jar -Dspring.profiles.active=${profile} ${jarfile} >/dev/null 2>&1 &
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echo "启动应用中，请查看日志文件..."
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}
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function stop {
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profile="$1"
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jarfile="$2"
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ps aux | grep "${jarfile}" | grep "spring.profiles.active=${profile}" | grep -v grep > /dev/null
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if [[ "$?" == "0" ]]; then
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echo "该应用还在跑，我先停了它"
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pid=$(ps aux | grep "${jarfile}" | grep "spring.profiles.active=${profile}" | grep -v grep |awk '{print $2}')
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if [[ "$pid" != "" ]]; then
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kill -9 $pid
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fi
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echo "停止应用成功..."
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fi
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}
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if [[ "$1" == "start" ]]; then
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if [[ "$#" < 2 ]]; then
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echo "请输入正确参数：./epay.sh start {profile}"
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exit 1
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fi
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profile="$2"
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if [[ "$profile" != "dev" && "$profile" != "test" && "$profile" != "show" && "$profile" != "production" ]]; then
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echo "参数错误，请输入正确的profile参数，使用方法："
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echo "./epay.sh start {profile} ==> 启动应用，{profile}取值：dev|test|show|production"
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exit 1
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fi
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start "${profile}"
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elif [[ "$1" == "stop" ]]; then
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if [[ "$#" < 2 ]]; then
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echo "请输入正确参数：./epay.sh stop {profile}"
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exit 1
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fi
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profile="$2"
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if [[ "$profile" != "dev" && "$profile" != "test" && "$profile" != "show" && "$profile" != "production" ]]; then
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echo "参数错误，请输入正确的profile参数，使用方法："
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echo "./epay.sh stop {profile} ==> 停止应用，{profile}取值：dev|test|show|production"
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exit 1
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fi
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jarfile=$(ls target/*.jar)
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stop $profile $jarfile
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else
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echo "参数错误，使用方法：{}参数是必填的，[]参数可选"
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echo "./epay.sh start {profile} ==> 启动应用，{profile}取值：dev|test|show|production"
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echo "./epay.sh stop {profile} ==> 停止应用，{profile}取值：dev|test|show|production"
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exit 1
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fi

‎springboot-async/src/main/java/com/xncoding/pos/Application.java‎

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package com.xncoding.pos;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
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}
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}

‎springboot-async/src/main/java/com/xncoding/pos/async/AsyncException.java‎

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package com.xncoding.pos.async;
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/**
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* 异步方法异常
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*
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* @author XiongNeng
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* @version 1.0
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* @since 2018/1/25
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*/
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public class AsyncException extends RuntimeException {
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public AsyncException() {
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super();
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}
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public AsyncException(String msg) {
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super(msg);
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}
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public AsyncException(int code, String msg) {
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super(msg);
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this.code = code;
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}
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/**
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* 错误代码
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*/
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private int code;
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public int getCode() {
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return code;
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}
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public void setCode(int code) {
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this.code = code;
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}
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}

‎springboot-async/src/main/java/com/xncoding/pos/async/AsyncExceptionHandler.java‎

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package com.xncoding.pos.async;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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/**
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* AsyncExceptionHandler
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*
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* @author XiongNeng
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* @version 1.0
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* @since 2018/1/25
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*/
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public class AsyncExceptionHandler implements AsyncUncaughtExceptionHandler {
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private static final Logger log = LoggerFactory.getLogger(AsyncExceptionHandler.class);
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@Override
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public void handleUncaughtException(Throwable ex, Method method, Object... params) {
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log.error("Async method has uncaught exception, params:{}" + Arrays.toString(params));
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if (ex instanceof AsyncException) {
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AsyncException asyncException = (AsyncException) ex;
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log.error("asyncException:" + asyncException.getMessage());
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}
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log.error("Exception :", ex);
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}
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}

‎springboot-async/src/main/java/com/xncoding/pos/async/AsyncTask.java‎

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package com.xncoding.pos.async;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.scheduling.annotation.Async;
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import org.springframework.scheduling.annotation.AsyncResult;
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import org.springframework.stereotype.Component;
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import java.util.concurrent.Future;
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/**
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* AsyncDemo
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*
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* @author XiongNeng
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* @version 1.0
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* @since 2018/1/25
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*/
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@Component
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public class AsyncTask {
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private static final Logger logger = LoggerFactory.getLogger(AsyncTask.class);
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@Async
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public void dealNoReturnTask() {
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logger.info("返回值为void的异步调用开始" + Thread.currentThread().getName());
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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logger.info("返回值为void的异步调用结束" + Thread.currentThread().getName());
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}
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@Async
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public Future<String> dealHaveReturnTask(int i) {
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logger.info("asyncInvokeReturnFuture, parementer=" + i);
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Future<String> future;
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try {
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Thread.sleep(1000 * i);
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future = new AsyncResult<String>("success:" + i);
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} catch (InterruptedException e) {
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future = new AsyncResult<String>("error");
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}
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return future;
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}
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}

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