自定義轉換器實現案例

Spring 中自定義轉換器實現案例

1 自定義轉換器

code 如下：

package com.gientech.selfConvert;

import org.springframework.core.convert.converter.Converter;

public class StudentConverter implements Converter<String, Student> {
    @Override
    public Student convert(String source) {
        System.out.println("----");
        Student student = new Student();
        String[] split = source.split("_");
        student.setId(Integer.parseInt(split[0]));
        student.setName(split[1]);
        return student;
    }
}

student code

package com.gientech.selfConvert;

public class Student {

    private int id;

    private String name;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}

2 註冊轉換器

code 如下：

<bean name="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="username" value="root"></property>
    </bean>
    <bean id="StudentConverter" class="com.gientech.selfConvert.StudentConverter"></bean>
    <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
        <property name="converters">
            <set>
                <ref bean="StudentConverter"></ref>
            </set>
        </property>
    </bean>