yanderong
2026-07-03 e63cd0493926363a694a6c387fe4ee77dff9d1a2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
package com.stylefeng.guns.config.datasource;
 
import com.alibaba.druid.pool.DruidDataSource;
import com.baomidou.mybatisplus.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
import com.stylefeng.guns.core.config.properties.DruidProperties;
import com.stylefeng.guns.core.config.properties.MutiDataSourceProperties;
import com.stylefeng.guns.core.datascope.DataScopeInterceptor;
import com.stylefeng.guns.core.intercept.BalanceUpdateInterceptor;
import com.stylefeng.guns.core.mutidatasource.DynamicDataSource;
import com.stylefeng.guns.core.mutidatasource.aop.MultiSourceExAop;
import org.apache.ibatis.plugin.Interceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
 
import java.sql.SQLException;
import java.util.HashMap;
 
/**
 * 多数据源配置<br/>
 * <p>
 * 注:由于引入多数据源,所以让spring事务的aop要在多数据源切换aop的后面
 *
 * @author stylefeng
 * @Date 2017/5/20 21:58
 */
@Configuration
@ConditionalOnProperty(prefix = "guns.muti-datasource", name = "open", havingValue = "true")
@EnableTransactionManagement(order = 2)
@MapperScan(basePackages = {"com.stylefeng.guns.modular.*.dao","com.stylefeng.guns.multi.mapper"})
public class MultiDataSourceConfig {
 
    @Bean
    @ConfigurationProperties(prefix = "guns.muti-datasource")
    public MutiDataSourceProperties mutiDataSourceProperties() {
        return new MutiDataSourceProperties();
    }
 
    @Bean
    public MultiSourceExAop multiSourceExAop() {
        return new MultiSourceExAop();
    }
 
    /**
     * guns的数据源
     */
    private DruidDataSource dataSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = new DruidDataSource();
        druidProperties.config(dataSource);
        return dataSource;
    }
 
    /**
     * 多数据源,第二个数据源
     */
    private DruidDataSource bizDataSource(DruidProperties druidProperties, MutiDataSourceProperties mutiDataSourceProperties) {
        DruidDataSource dataSource = new DruidDataSource();
        druidProperties.config(dataSource);
        mutiDataSourceProperties.config(dataSource);
        return dataSource;
    }
 
    /**
     * 多数据源连接池配置
     */
    @Bean
    public DynamicDataSource mutiDataSource(DruidProperties druidProperties, MutiDataSourceProperties mutiDataSourceProperties) {
 
        DruidDataSource dataSourceGuns = dataSource(druidProperties);
        DruidDataSource bizDataSource = bizDataSource(druidProperties, mutiDataSourceProperties);
 
        try {
            dataSourceGuns.init();
            bizDataSource.init();
        } catch (SQLException sql) {
            sql.printStackTrace();
        }
 
        DynamicDataSource dynamicDataSource = new DynamicDataSource();
        HashMap<Object, Object> hashMap = new HashMap<>();
        hashMap.put(mutiDataSourceProperties.getDataSourceNames()[0], dataSourceGuns);
        hashMap.put(mutiDataSourceProperties.getDataSourceNames()[1], bizDataSource);
        dynamicDataSource.setTargetDataSources(hashMap);
        dynamicDataSource.setDefaultTargetDataSource(dataSourceGuns);
        return dynamicDataSource;
    }
 
    /**
     * mybatis-plus分页插件
     */
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        return new PaginationInterceptor();
    }
 
    /**
     * 数据范围mybatis插件
     */
    @Bean
    public DataScopeInterceptor dataScopeInterceptor() {
        return new DataScopeInterceptor();
    }
 
    /**
     * 乐观锁mybatis插件
     */
    @Bean
    public OptimisticLockerInterceptor optimisticLockerInterceptor() {
        return new OptimisticLockerInterceptor();
    }
 
    /**
     * 事务配置
     *
     * @author stylefeng
     * @Date 2018/6/27 23:11
     */
    @Bean
    public DataSourceTransactionManager dataSourceTransactionManager(DynamicDataSource mutiDataSource) {
        return new DataSourceTransactionManager(mutiDataSource);
    }
 
    @Bean
    public Interceptor balanceUpdateInterceptor() {
        return new BalanceUpdateInterceptor();
    }
}