解决mybatis-plus通用mapper调用报错:Invalid bound statement
mybatis-plus通用mapper调用报错
使用springboot整合mybatis-plus后,调用自定义的方法正常,调用BaseMapper中自带的方法报错如下:
org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): cn.rkang.enterprise.mapper.EmployeeInfoMapper.selectOne
at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:227) ~[mybatis-3.4.6.jar:3.4.6]
at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:49) ~[mybatis-3.4.6.jar:3.4.6]
at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:65) ~[mybatis-3.4.6.jar:3.4.6]
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:58) ~[mybatis-3.4.6.jar:3.4.6]
at com.sun.proxy.$Proxy70.selectOne(Unknown Source) ~[na:na]
at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.getOne(ServiceImpl.java:259) ~[mybatis-plus-extension-3.1.1.jar:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService.getOne(IService.java:192) ~[mybatis-plus-extension-3.1.1.jar:3.1.1]
at com.baomidou.mybatisplus.extension.service.IService
FastClassBySpringCGLIB
FastClassBySpringCGLIB
f8525d18.invoke(<generated>) ~[mybatis-plus-extension-3.1.1.jar:3.1.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at cn.rkang.enterprise.local.service.EmployeeInfoService
EnhancerBySpringCGLIB
EnhancerBySpringCGLIB
7e12f21b.getOne(<generated>) ~[classes/:na]
跟进源码发现是methodProxy.invoke(target, argsToUse)报错
if (chain.isEmpty() && Modifier.isPublic(method.getModifiers())) {
Object[] argsToUse = AopProxyUtils.adaptArgumentsIfNecessary(method, args);
retVal = methodProxy.invoke(target, argsToUse);
} else {
retVal = (new CglibAopProxy.CglibMethodInvocation(proxy, target, method, args, targetClass, chain, methodProxy)).proceed();
}
在invoke方法组装sqlmand的时候,MappedStatement没有组装成功,始终是null
public SqlCommand(Configuration configuration, Class<?> mapperInterface, Method method) {
String methodName = method.getName();
Class<?> declaringClass = method.getDeclaringClass();
MappedStatement ms = this.resolveMappedStatement(mapperInterface, methodName, declaringClass, configuration);
if (ms == null) {
if (method.getAnnotation(Flush.class) == null) {
throw new BindingException("Invalid bound statement (not found): " + mapperInterface.getName() + "." + methodName);
}
this.name = null;
this.type = SqlCommandType.FLUSH;
} else {
this.name = ms.getId();
this.type = ms.getSqlCommandType();
if (this.type == SqlCommandType.UNKNOWN) {
throw new BindingException("Unknown execution method for: " + this.name);
}
}
}
解决方法
将mybatis的sqlSessionFactory替换成mybatis-plusd的MybatisSqlSessionFactoryBean,添加配置类MybatisPlusConfig
package cn.rkang.enterprise.common.config;
import com.baomidou.mybatisplus.core.MybatisConfiguration;
import com.baomidou.mybatisplus.core.MybatisXMLLanguageDriver;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean;
import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.StringUtils;
import javax.sql.DataSource;
@Configuration
public class MybatisPlusConfig {
@Autowired
private DataSource dataSource;
@Autowired
private MybatisProperties properties;
@Autowired
private ResourceLoader resourceLoader = new DefaultResourceLoader();
@Autowired(required = false)
private Interceptor[] interceptors;
@Autowired(required = false)
private DatabaseIdProvider databaseIdProvider;
/**
* mybatis-plus分页插件
*/
@Bean
public PaginationInterceptor paginationInterceptor() {
PaginationInterceptor page = new PaginationInterceptor();
page.setDialectType("mysql");
return page;
}
/**
* 这里全部使用mybatis-autoconfigure 已经自动加载的资源。不手动指定
* 配置文件和mybatis-boot的配置文件同步
* @return
*/
@Bean
public MybatisSqlSessionFactoryBean mybatisSqlSessionFactoryBean() {
MybatisSqlSessionFactoryBean mybatisPlus = new MybatisSqlSessionFactoryBean();
mybatisPlus.setDataSource(dataSource);
mybatisPlus.setVfs(SpringBootVFS.class);
if (StringUtils.hasText(this.properties.getConfigLocation())) {
mybatisPlus.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));
}
if (!ObjectUtils.isEmpty(this.interceptors)) {
mybatisPlus.setPlugins(this.interceptors);
}
MybatisConfiguration mc = new MybatisConfiguration();
mc.setDefaultScriptingLanguage(MybatisXMLLanguageDriver.class);
//数据库字段设计为驼峰命名,默认开启的驼峰转下划线会报错字段找不到
mc.setMapUnderscoreToCamelCase(false);
mybatisPlus.setConfiguration(mc);
if (this.databaseIdProvider != null) {
mybatisPlus.setDatabaseIdProvider(this.databaseIdProvider);
}
if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {
mybatisPlus.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());
}
if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {
mybatisPlus.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());
}
if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {
mybatisPlus.setMapperLocations(this.properties.resolveMapperLocations());
}
return mybatisPlus;
}
}
问题解决!
以上为个人经验,希望能给大家一个参考,也希望大家多多支持脚本之家。
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