must implement the inherited abstract 怎么解决

[reyoreyoreyo]

出错信息：
must implement the inherited abstract
method TypeConverter.convertIfNecessary(Object, Class<T>, Field)

代码如下：

引用

import java.util.Date;

import net.paoding.rose.web.paramresolver.ResolverFactoryImpl.DateEditor;

import org.springframework.beans.SimpleTypeConverter;
import org.springframework.beans.TypeConverter;
import org.springframework.beans.TypeMismatchException;
import org.springframework.core.MethodParameter;

public class ThreadSafedSimpleTypeConverter implements TypeConverter {

    @SuppressWarnings("unchecked")
    @Override
    public Object convertIfNecessary(Object value, Class requiredType) throws TypeMismatchException {
        return simpleTypeConverters.get().convertIfNecessary(value, requiredType);
    }

    @SuppressWarnings("unchecked")
    @Override
    public Object convertIfNecessary(Object value, Class requiredType, MethodParameter methodParam)
            throws TypeMismatchException {
        return simpleTypeConverters.get().convertIfNecessary(value, requiredType, methodParam);
    }

    ThreadLocal<SimpleTypeConverter> simpleTypeConverters = new ThreadLocal<SimpleTypeConverter>() {

        @Override
        protected SimpleTypeConverter initialValue() {
            return createSimpleTypeConverter();
        }
    };

    public SimpleTypeConverter getSimpleTypeConverter() {
        return simpleTypeConverters.get();
    }

    protected SimpleTypeConverter createSimpleTypeConverter() {
        // simpleTypeConverter is not for concurrency!
        SimpleTypeConverter simpleTypeConverter = new SimpleTypeConverter();
        simpleTypeConverter.useConfigValueEditors();
        simpleTypeConverter.registerCustomEditor(Date.class, new DateEditor(Date.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Date.class, new DateEditor(
                java.sql.Date.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Time.class, new DateEditor(
                java.sql.Time.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Timestamp.class, new DateEditor(
                java.sql.Timestamp.class));
        return simpleTypeConverter;
    }
}

[reyoreyoreyo]

怎么处理呢，现在有点茫然了

[龙四]

还有这个方法没实现：TypeConverter.convertIfNecessary(Object, Class<T>, Field)

[xingfuzhuzi1314]

还有这个方法没实现：TypeConverter.convertIfNecessary(Object, Class<T>, Field) 正常来说，LZ的接口里面有这个方法，如果不全部实现，你这应该编译报错才对！

[霜之哀伤]

基础都没学，就开始搞框架了

[reyoreyoreyo]

如果加上代码

package net.paoding.rose.web.paramresolver;

import java.lang.reflect.Field;
import java.util.Date;

import net.paoding.rose.web.paramresolver.ResolverFactoryImpl.DateEditor;

import org.springframework.beans.SimpleTypeConverter;
import org.springframework.beans.TypeConverter;
import org.springframework.beans.TypeMismatchException;
import org.springframework.core.MethodParameter;

public class ThreadSafedSimpleTypeConverter implements TypeConverter {

    @SuppressWarnings("unchecked")
    //@Override
    public Object convertIfNecessary(Object value, Class requiredType) throws TypeMismatchException {
        return simpleTypeConverters.get().convertIfNecessary(value, requiredType);
    }

    @SuppressWarnings("unchecked")
    //@Override
    public Object convertIfNecessary(Object value, Class requiredType, MethodParameter methodParam)
            throws TypeMismatchException {
        return simpleTypeConverters.get().convertIfNecessary(value, requiredType, methodParam);
    }

    ThreadLocal<SimpleTypeConverter> simpleTypeConverters = new ThreadLocal<SimpleTypeConverter>() {

        //@Override
        protected SimpleTypeConverter initialValue() {
            return createSimpleTypeConverter();
        }
    };

    public SimpleTypeConverter getSimpleTypeConverter() {
        return simpleTypeConverters.get();
    }

    protected SimpleTypeConverter createSimpleTypeConverter() {
        // simpleTypeConverter is not for concurrency!
        SimpleTypeConverter simpleTypeConverter = new SimpleTypeConverter();
        simpleTypeConverter.useConfigValueEditors();
        simpleTypeConverter.registerCustomEditor(Date.class, new DateEditor(Date.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Date.class, new DateEditor(
                java.sql.Date.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Time.class, new DateEditor(
                java.sql.Time.class));
        simpleTypeConverter.registerCustomEditor(java.sql.Timestamp.class, new DateEditor(
                java.sql.Timestamp.class));
        return simpleTypeConverter;
    }

	@Override
	public <T> T convertIfNecessary(Object arg0, Class<T> arg1)
			throws TypeMismatchException {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public <T> T convertIfNecessary(Object arg0, Class<T> arg1,
			MethodParameter arg2) throws TypeMismatchException {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public <T> T convertIfNecessary(Object arg0, Class<T> arg1, Field arg2)
			throws TypeMismatchException {
		// TODO Auto-generated method stub
		return null;
	}
}

[reyoreyoreyo]

public Object convertIfNecessary(Object value, Class requiredType) throws TypeMismatchException { return simpleTypeConverters.get().convertIfNecessary(value, requiredType); } @SuppressWarnings("unchecked") //@Override public Object convertIfNecessary(Object value, Class requiredType, MethodParameter methodParam) throws TypeMismatchException { return simpleTypeConverters.get().convertIfNecessary(value, requiredType, methodParam); } 报错： Multiple markers at this line - Method convertIfNecessary(Object, Class) has the same erasure convertIfNecessary(Object, Class<T>) as another method in type ThreadSafedSimpleTypeConverter - implements org.springframework.beans.TypeConverter.convertIfNecessary - Class is a raw type. References to generic type Class<T> should be parameterized @Override public <T> T convertIfNecessary(Object arg0, Class<T> arg1) throws TypeMismatchException { // TODO Auto-generated method stub return null; } @Override public <T> T convertIfNecessary(Object arg0, Class<T> arg1, MethodParameter arg2) throws TypeMismatchException { // TODO Auto-generated method stub return null; } 报错; Method convertIfNecessary(Object, Class<T>, MethodParameter) has the same erasure convertIfNecessary(Object, Class<T>, MethodParameter) as another method in type ThreadSafedSimpleTypeConverter

[reyoreyoreyo]

感谢大家自己已经搞定了

[勤奋专注]

大哥，善始善终好不好啊？ 挖个大坑，什么意思呀；

[molicao]

楼主为什么没告诉最终解决的方法呢？