2021-11-10
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ZH
//用表示数据源,执行完成后会自动切换回默认数据源 service.query("crmcrm_customer"); service.query("HR_DEPARTMENT"); //这里查的还是默认数据源 service.query("erpmm_material"); try { //动态注册一个数据源 //数
2021-11-10
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ZH
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver spring.datasource.driver=com.mysql.cj.jdbc.Driver spring.datasource.url=jdbc:mys
2020-09-11
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ZH
M L S 合计 纯白 20 20 200 240 天蓝 30 60
2020-07-15
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ZH
set1与set2合并生成新的集合 DataSet set = set1.unionAll(set2) 合并不重复的集合,根据ID,CODE判断是否重复 DataSet set = set1.union(set2,"ID","CODE")