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java.lang.IllegalArgumentException: At least one base package must be specified

java.lang.IllegalArgumentException: At least one base package must be specified 一直報這個錯誤我mapper的路徑寫錯了嗎

伊森丶

2018-09-06

源自：SpringBoot+MyBatis搭建迷你小程序 3-6

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慕虎638682
2018-09-10

錯誤原因：沒有在主函數的類中對Mapper層進行掃描。

解決：加上對mapper層的掃描MapperScan

@ComponentScan(basePackages = { "cn.iponkan.controller"})

@MapperScan(basePackages = {"cn.iponkan.mapper"})

@EnableAutoConfiguration

public class SpringBootApplication {

????public static void main(String[] args){

????????SpringApplication.run(SpringBootApplication.class,args);

????}

}

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