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Commit e4d40a0

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Java:新增数据库连接池 HikariCP 的 Demo,名为 APIJSONDemo-HikariCP
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‎.gitignore‎

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APIJSON-Java-Server/APIJSONDemo/.idea
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*.iml
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APIJSON-Java-Server/APIJSONDemo-HikariCP/.settings
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/target/
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# APIJSONDemo
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APIJSON + SpringBoot 初级使用的最简单 Demo
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### 运行
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右键 DemoApplication > Run As > Java Application
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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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>apijson.demo</groupId>
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<artifactId>apijson-demo-hikaricp</artifactId>
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<version>4.7.0</version>
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<packaging>jar</packaging>
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<name>APIJSONDemo</name>
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<description>Demo project for Testing APIJSON Server based on SpringBoot</description>
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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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<!-- 需要的 APIJSON 相关依赖 -->
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<dependency>
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<groupId>com.github.APIJSON</groupId>
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<artifactId>apijson-framework</artifactId>
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<version>LATEST</version>
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</dependency>
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<!-- 需要用的数据库 JDBC 驱动 -->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>8.0.22</version>
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</dependency>
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<dependency>
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<groupId>org.postgresql</groupId>
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<artifactId>postgresql</artifactId>
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<version>42.2.18</version>
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</dependency>
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<!-- Oracle, SQLServer 等其它数据库的 JDBC 驱动,可以在这里加上 Maven 依赖或 libs 目录放 Jar 包并依赖 -->
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<!-- 需要用的 SpringBoot 框架,1.4.0 以上 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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<version>2.4.2</version>
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</dependency>
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<!-- 需要用的 HikariCp 数据库连接池库,3.1.0 以上 -->
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<dependency>
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<groupId>com.zaxxer</groupId>
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<artifactId>HikariCP</artifactId>
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<version>3.1.0</version>
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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.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<fork>true</fork>
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<mainClass>apijson.demo.DemoApplication</mainClass>
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</configuration>
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<executions>
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<execution>
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<goals>
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<goal>repackage</goal>
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</goals>
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</execution>
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</executions>
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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-compiler-plugin</artifactId>
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<configuration>
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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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</plugins>
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</build>
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<repositories>
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<repository>
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<id>spring-snapshots</id>
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<url>https://repo.spring.io/snapshot</url>
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<snapshots>
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<enabled>true</enabled>
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</snapshots>
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</repository>
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<repository>
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<id>spring-milestones</id>
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<url>https://repo.spring.io/milestone</url>
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</repository>
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<repository>
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<id>jitpack.io</id>
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<url>https://jitpack.io</url>
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</repository>
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</repositories>
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</project>
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/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.*/
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package apijson.demo;
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import org.springframework.beans.BeansException;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.config.annotation.CorsRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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import apijson.Log;
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import apijson.framework.APIJSONApplication;
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import apijson.framework.APIJSONCreator;
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import apijson.orm.SQLConfig;
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import apijson.orm.SQLExecutor;
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/**SpringBootApplication
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* 右键这个类 > Run As > Java Application
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* @author Lemon
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*/
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@Configuration
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@SpringBootApplication
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@EnableAutoConfiguration
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@EnableConfigurationProperties
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public class DemoApplication implements ApplicationContextAware {
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static {
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APIJSONApplication.DEFAULT_APIJSON_CREATOR = new APIJSONCreator() {
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@Override
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public SQLConfig createSQLConfig() {
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return new DemoSQLConfig();
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}
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@Override
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public SQLExecutor createSQLExecutor() {
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return new DemoSQLExecutor();
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}
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};
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// 把以下需要用到的数据库驱动取消注释即可,如果这里没有可以自己新增
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// try { //加载驱动程序
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// Log.d(TAG, "尝试加载 SQLServer 驱动 <<<<<<<<<<<<<<<<<<<<< ");
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// Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
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// Log.d(TAG, "成功加载 SQLServer 驱动!>>>>>>>>>>>>>>>>>>>>> ");
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// }
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// catch (ClassNotFoundException e) {
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// e.printStackTrace();
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// Log.e(TAG, "加载 SQLServer 驱动失败,请检查 pom.xml 中 net.sourceforge.jtds 版本是否存在以及可用 !!!");
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// }
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//
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// try { //加载驱动程序
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// Log.d(TAG, "尝试加载 Oracle 驱动 <<<<<<<<<<<<<<<<<<<<< ");
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// Class.forName("oracle.jdbc.driver.OracleDriver");
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// Log.d(TAG, "成功加载 Oracle 驱动!>>>>>>>>>>>>>>>>>>>>> ");
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// }
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// catch (ClassNotFoundException e) {
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// e.printStackTrace();
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// Log.e(TAG, "加载 Oracle 驱动失败,请检查 pom.xml 中 com.oracle.jdbc 版本是否存在以及可用 !!!");
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// }
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}
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public static void main(String[] args) throws Exception {
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SpringApplication.run(DemoApplication.class, args);
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Log.DEBUG = true;
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APIJSONApplication.init(false); // 4.4.0 以上需要这句来保证以上 static 代码块中给 DEFAULT_APIJSON_CREATOR 赋值会生效
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}
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// 全局 ApplicationContext 实例,方便 getBean 拿到 Spring/SpringBoot 注入的类实例
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private static ApplicationContext APPLICATION_CONTEXT;
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public static ApplicationContext getApplicationContext() {
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return APPLICATION_CONTEXT;
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}
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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APPLICATION_CONTEXT = applicationContext;
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}
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// 支持 APIAuto 中 JavaScript 代码跨域请求 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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@Bean
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public WebMvcConfigurer corsConfigurer() {
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return new WebMvcConfigurer() {
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@Override
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public void addCorsMappings(CorsRegistry registry) {
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registry.addMapping("/**")
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.allowedOriginPatterns("*")
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.allowedMethods("*")
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.allowCredentials(true)
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.maxAge(3600);
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}
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};
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}
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// 支持 APIAuto 中 JavaScript 代码跨域请求 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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}
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/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.*/
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package apijson.demo;
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import java.net.URLDecoder;
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import javax.servlet.http.HttpSession;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import apijson.RequestMethod;
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import apijson.StringUtil;
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import apijson.framework.APIJSONController;
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import apijson.orm.Parser;
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/**提供入口,转交给 APIJSON 的 Parser 来处理
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* @author Lemon
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*/
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@RestController
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@RequestMapping("")
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public class DemoController extends APIJSONController {
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@Override
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public Parser<Long> newParser(HttpSession session, RequestMethod method) {
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return super.newParser(session, method).setNeedVerify(false); //TODO 这里关闭校验,方便新手快速测试,实际线上项目建议开启
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}
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@PostMapping(value = "get")
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@Override
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public String get(@RequestBody String request, HttpSession session) {
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return super.get(request, session);
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}
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/**获取
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* 只为兼容HTTP GET请求,推荐用HTTP POST,可删除
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* @param request 只用String,避免encode后未decode
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* @param session
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* @return
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* @see {@link RequestMethod#GET}
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*/
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@RequestMapping("get/{request}")
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public String openGet(@PathVariable String request, HttpSession session) {
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try {
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request = URLDecoder.decode(request, StringUtil.UTF_8);
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} catch (Exception e) {
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// Parser会报错
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}
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return get(request, session);
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}
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}
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/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.*/
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package apijson.demo;
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import com.zaxxer.hikari.HikariDataSource;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import javax.sql.DataSource;
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/**HikariCP 连接池配置,对应 application.yml 的 datasource 配置
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* @author Lemon
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*/
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@Configuration
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public class DemoDataSourceConfig {
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@Bean
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@ConfigurationProperties(prefix = "spring.datasource.hikari")
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public DataSource dataSource(){
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return new HikariDataSource();
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}
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}
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/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.*/
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package apijson.demo;
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import apijson.framework.APIJSONSQLConfig;
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/**SQL配置,这里不配置数据库账号密码等信息,改为使用 DemoDataSourceConfig 来配置
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* TiDB 用法和 MySQL 一致
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* @author Lemon
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*/
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public class DemoSQLConfig extends APIJSONSQLConfig {
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static {
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DEFAULT_DATABASE = DATABASE_MYSQL; // TODO 默认数据库类型,改成你自己的
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DEFAULT_SCHEMA = "sys"; // TODO 默认模式名,改成你自己的,默认情况是 MySQL: sys, PostgreSQL: public, SQL Server: dbo, Oracle:
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// 表名和数据库不一致的,需要配置映射关系。只使用 APIJSONORM 时才需要;
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// 如果用了 apijson-framework 且调用了 APIJSONApplication.init
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// (间接调用 DemoVerifier.init 方法读取数据库 Access 表来替代手动输入配置),则不需要。
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// 但如果 Access 这张表的对外表名与数据库实际表名不一致,仍然需要这里注册。例如
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// TABLE_KEY_MAP.put(Access.class.getSimpleName(), "access");
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//表名映射,隐藏真实表名,对安全要求很高的表可以这么做
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TABLE_KEY_MAP.put("User", "apijson_user");
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TABLE_KEY_MAP.put("Privacy", "apijson_privacy");
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}
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@Override
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public String getDBVersion() {
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return "5.7.22"; // "8.0.11"; // TODO 改成你自己的 MySQL 或 PostgreSQL 数据库版本号 // MYSQL 8 和 7 使用的 JDBC 配置不一样
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}
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}

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