Druid数据源配置文件

src/main/java/com/uas/eis/core/config/DruidDBConfig.java

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+package com.uas.eis.core.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+import javax.sql.DataSource;
+import java.sql.SQLException;
+
+
+@Configuration
+public class DruidDBConfig {
+
+    @Value("${spring.datasource.url}")
+    private String dbUrl;
+
+    @Value("${spring.datasource.username}")
+    private String username;
+
+    @Value("${spring.datasource.password}")
+    private String password;
+
+    @Value("${spring.datasource.driverClassName}")
+    private String driverClassName;
+
+    @Value("${spring.datasource.initialSize}")
+    private int initialSize;
+
+    @Value("${spring.datasource.minIdle}")
+    private int minIdle;
+
+    @Value("${spring.datasource.maxActive}")
+    private int maxActive;
+
+    @Value("${spring.datasource.maxWait}")
+    private int maxWait;
+
+    @Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
+    private int timeBetweenEvictionRunsMillis;
+
+    @Value("${spring.datasource.minEvictableIdleTimeMillis}")
+    private int minEvictableIdleTimeMillis;
+
+    @Value("${spring.datasource.validationQuery}")
+    private String validationQuery;
+
+    @Value("${spring.datasource.testWhileIdle}")
+    private boolean testWhileIdle;
+
+    @Value("${spring.datasource.testOnBorrow}")
+    private boolean testOnBorrow;
+
+    @Value("${spring.datasource.testOnReturn}")
+    private boolean testOnReturn;
+
+    @Value("${spring.datasource.poolPreparedStatements}")
+    private boolean poolPreparedStatements;
+
+    @Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
+    private int maxPoolPreparedStatementPerConnectionSize;
+
+    @Value("${spring.datasource.filters}")
+    private String filters;
+
+    @Value("{spring.datasource.connectionProperties}")
+    private String connectionProperties;
+
+    @Bean     //声明其为Bean实例
+    @Primary  //在同样的DataSource中，首先使用被标注的DataSource
+    public DataSource dataSource(){
+        DruidDataSource datasource = new DruidDataSource();
+
+        datasource.setUrl(this.dbUrl);
+        datasource.setUsername(username);
+        datasource.setPassword(password);
+        datasource.setDriverClassName(driverClassName);
+
+        //configuration
+        datasource.setInitialSize(initialSize);
+        datasource.setMinIdle(minIdle);
+        datasource.setMaxActive(maxActive);
+        datasource.setMaxWait(maxWait);
+        datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
+        datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
+        datasource.setValidationQuery(validationQuery);
+        datasource.setTestWhileIdle(testWhileIdle);
+        datasource.setTestOnBorrow(testOnBorrow);
+        datasource.setTestOnReturn(testOnReturn);
+        datasource.setPoolPreparedStatements(poolPreparedStatements);
+        datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
+        try {
+            datasource.setFilters(filters);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        datasource.setConnectionProperties(connectionProperties);
+
+        return datasource;
+    }
+}