首先新建一些zip包，里面包含幾個(gè)json文件，如下圖所示：

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這里以讀取name1.json為例：

maven依賴

com.fasterxml.jackson.corejackson-core2.14.0com.fasterxml.jackson.corejackson-databind2.12.7.1com.fasterxml.jackson.corejackson-annotations2.14.0

json對應(yīng)的實(shí)體類

package com.zhaotq.service.io;

import java.util.Date;

//json對應(yīng)的實(shí)體類
public class TestJsonDemoDto {
    private String message;
    private String condition;
    private String com;
    private String status;
    private String state;
    private String time;

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public String getCondition() {
        return condition;
    }

    public void setCondition(String condition) {
        this.condition = condition;
    }

    public String getCom() {
        return com;
    }

    public void setCom(String com) {
        this.com = com;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }
    @Override
    public String toString() {
        return "TestJsonDemoDto{" +
                "message='" + message + '\'' +
                ", condition='" + condition + '\'' +
                ", com='" + com + '\'' +
                ", status='" + status + '\'' +
                ", state='" + state + '\'' +
                ", time='" + time + '\'' +
                '}';
    }
}

主方法

package com.zhaotq.service.io;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.util.JSONPObject;
import jdk.nashorn.internal.parser.JSONParser;
import jdk.nashorn.internal.runtime.JSONFunctions;

import java.io.*;
import java.util.HashMap;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

//測試讀取zip包內(nèi)容
public class ZipFileDemo {
    public static void main(String[] args) {

        HashMap hashMap = null;
        try {
            hashMap = ZipFileDemo.readData("/Users/zhaotianqiang/Documents/01-coding/study-spring/src/main/resources/test.zip",".json");
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        System.out.println("=======json讀取=======");
        String str = (String) hashMap.get("name1");
        System.out.println(str);
        String json = JSONParser.quote(str);//轉(zhuǎn)移符添加，在這里沒用
        System.out.println(json);
        ObjectMapper mapper = new ObjectMapper();
        try {
            TestJsonDemoDto testJsonDemoDto = mapper.readValue(str, TestJsonDemoDto.class);
            System.out.println(testJsonDemoDto.toString());
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }

    // 以某關(guān)鍵字讀取某路徑下的壓縮包的方法，最終返回一個(gè)map，map中的每一項(xiàng)是一個(gè)文件或者文件夾
    public static HashMap readData(String path,String fileKeyWord) throws IOException {
        //得到輸入流
        InputStream inputStream = new FileInputStream(path);
        ZipInputStream zin = new ZipInputStream(inputStream);
        BufferedInputStream bs = new BufferedInputStream(zin);
        byte[] bytes = null;
        ZipEntry ze;
        HashMap jsonMap= new HashMap();
        //循環(huán)讀取壓縮包里面的文件
        int a = 1;
        while ((ze = zin.getNextEntry()) != null) {
            System.out.println("第"+a++ +"層是："+ze.getName());
            System.out.println("是否是目錄："+ze.isDirectory());

            StringBuilder orginJson = new StringBuilder();
            if (ze.toString().endsWith(fileKeyWord)) {
                //讀取每個(gè)文件的字節(jié)，并放進(jìn)數(shù)組
                bytes = new byte[(int) ze.getSize()];
                bs.read(bytes, 0, (int) ze.getSize());
                //將文件轉(zhuǎn)成流
                InputStream byteArrayInputStream = new ByteArrayInputStream(bytes);
                BufferedReader br = new BufferedReader(new InputStreamReader(byteArrayInputStream));
                //讀取文件里面的內(nèi)容
                String line;
                while ((line = br.readLine()) != null) {
                    orginJson.append(line);
                }
                //關(guān)閉流
                br.close();
                String name=new String(ze.getName().replace(".json",""));
                jsonMap.put(name,orginJson.toString());
            }
        }
        zin.closeEntry();
        inputStream.close();
        return jsonMap;
    }

}

實(shí)際運(yùn)行結(jié)果如下：

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