FastJson 使用

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package JsonDemo;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializeFilter;
import com.alibaba.fastjson.serializer.SerializerFeature;

/** * 需要get和set方法才能json转换 * @author wwhhff11 * @since 2016/03/18 * @return */
class Outer {
    int a = 0;
    double b = 1.0;
    String c = "123";
    Date d = null;

    class Inner {
        int e = 10;

        public int getE() {
            return e;
        }

        public void setE(int e) {
            this.e = e;
        }

        @Override
        public String toString() {
            return "Inner [e=" + e + "]";
        }

    }

    Inner inner = new Inner();

    public int getA() {
        return a;
    }

    public void setA(int a) {
        this.a = a;
    }

    public double getB() {
        return b;
    }

    public void setB(double b) {
        this.b = b;
    }

    public String getC() {
        return c;
    }

    public void setC(String c) {
        this.c = c;
    }

    public Date getD() {
        return d;
    }

    public void setD(Date d) {
        this.d = d;
    }

    public Inner getInner() {
        return inner;
    }

    public void setInner(Inner inner) {
        this.inner = inner;
    }

    @Override
    public String toString() {
        return "Outer [a=" + a + ",b=" + b + ",c=" + c + ",d=" + d
                + ",inner=" + inner + "]";
    }
}

public class Main {
    public static void main(String[] args) {

        Outer outer = new Outer();
        String alibabaJson = JSON.toJSONString(outer);
        System.out.println(alibabaJson);

        String alibabaJsonNull = JSON.toJSONString(outer,SerializerFeature.WriteMapNullValue);
        System.out.println(alibabaJsonNull);

        String alibabaJsonPretty = JSON.toJSONString(outer,true);
        System.out.println(alibabaJsonPretty);

        Object obj=JSON.parse(alibabaJson);
        System.out.println(obj);
        System.out.println(obj instanceof Outer);


        Outer outer2=JSON.parSEObject(alibabaJson,Outer.class);
        System.out.println(outer2);
        System.out.println(outer instanceof Outer);

        List<Outer> list=new ArrayList<Outer>();
        for(int i=0;i<2;i++){
            list.add(new Outer());
        }
        String alibabaJson1 = JSON.toJSONString(list);
        System.out.println(alibabaJson1);

        List<Outer> list1=JSON.parseArray(alibabaJson1,Outer.class);
        System.out.println(list1);

    }
}

{"a":0,"b":1,"c":"123","inner":{"e":10}}
{"a":0,"d":null,"inner":{"e":10}}
{
    "a":0,"inner":{
        "e":10
    }
}
{"b":1,"inner":{"e":10},"a":0}
false
Outer [a=0,b=1.0,c=123,d=null,inner=Inner [e=10]]
true
[{"a":0,"inner":{"e":10}},{"a":0,"inner":{"e":10}}]
[Outer [a=0,inner=Inner [e=10]],Outer [a=0,inner=Inner [e=10]]]

（编辑：李大同）

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