代码如下, json格式贴在了代码中,可以拿出来放在txt里通过流方式获取:
package com.xuele.bigdata.hiveudf; import java.io.File; import java.io.FileReader; import com.google.gson.JsonArray; import com.google.gson.JsonObject; import com.google.gson.JsonParser; public class ContentTest { public static void main(String[] args) { JsonParser parse =new JsonParser(); //创建json解析器 try { JsonObject json = (JsonObject)parse.parse(new FileReader(new File("D:/javajson/json3.txt"))); //System.out.println(json.get("coursewaresName")); /*JsonObject result=json.get("result").getAsJsonObject(); JsonObject today=result.get("today").getAsJsonObject(); //System.out.println("temperature:"+today.get("temperature").getAsString()); JsonObject weather_id=today.get("weather_id").getAsJsonObject(); System.out.println(weather_id.get("fa"));*/ // 在线json格式链接 : https://www.json.cn/# // 使用 google.gson包下的类, 获取元素json对象和获取jsonarray数组两个方法 /* { "bgID":null, "coursewaresName":"2. 玩滑梯的启示20170321074758", "pages":[ [ { "text":"摩擦力的大小与什么因素有关系", "x":2, "type":2, "y":10, "isOpen":0, "index":-1, "place":0, "property":{ "rotation":null, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_7D914DAF76A9FF81BA5F693F5EBC3D34.jpg?t=20160310", "studentName":"", "code":"7D914DAF76A9FF81BA5F693F5EBC3D34", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/7D914DAF76A9FF81BA5F693F5EBC3D34.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"摩擦力与我们的生活有什么关系", "x":2, "type":2, "y":65, "isOpen":0, "index":-1, "place":1, "property":{ "rotation":null, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_144887EAF7397EC332FAEE11180766C9.jpg?t=20160310", "studentName":"", "code":"144887EAF7397EC332FAEE11180766C9", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/144887EAF7397EC332FAEE11180766C9.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"(青岛版)三年级科学下册练习题 玩滑梯的启示 1 ", "x":2, "type":1, "y":120, "isOpen":0, "index":-1, "place":2, "property":{ "rotation":null, "ex":"doc", "smallImg":"", "studentName":"", "code":"d190c429855cb6896e0a64057fe25859", "path":"", "width":60, "from":7, "fileType":"5", "height":45 } }, { "text":"《玩滑梯的启示》习题", "x":2, "type":1, "y":175, "isOpen":0, "index":-1, "place":3, "property":{ "rotation":0, "ex":"doc", "smallImg":"", "studentName":"", "code":"4fbcf7baa43f7f9128f4d05a13c2ddf5", "path":"", "width":60, "from":7, "fileType":"4", "height":45 } } ], [ { "text":"第5页", "x":2, "type":2, "y":10, "isOpen":0, "index":-1, "place":0, "property":{ "rotation":0, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_6273CBD9335AEF99683EDAD44C708008.jpg?t=20160310", "studentName":"", "code":"6273CBD9335AEF99683EDAD44C708008", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/6273CBD9335AEF99683EDAD44C708008.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"滑梯里有哪些学问", "x":2, "type":2, "y":65, "isOpen":0, "index":-1, "place":1, "property":{ "rotation":null, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_EF796E20F1099B81169A3AE29E3A59C7.jpg?t=20160310", "studentName":"", "code":"EF796E20F1099B81169A3AE29E3A59C7", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/EF796E20F1099B81169A3AE29E3A59C7.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"《玩滑梯的启示》图片:滑梯3", "x":2, "type":2, "y":120, "isOpen":0, "index":-1, "place":2, "property":{ "rotation":0, "ex":"jpg", "smallImg":"", "studentName":"", "code":"cc9ad9e52d348bbd9e8f3ae3a7a6e6c5", "path":"", "width":60, "from":7, "fileType":"6", "height":45 } }, { "text":"《玩滑梯的启示》课件1", "x":74, "type":1, "y":35, "isOpen":1, "index":1, "place":-1, "property":{ "rotation":0, "ex":"ppt", "smallImg":"", "studentName":"", "code":"70b10b8f238c52a7924d6e54f6528804", "path":"", "width":870.4, "from":7, "fileType":"4", "height":519.35 } }, { "text":"《玩滑梯的启示》习题1", "x":2, "type":1, "y":175, "isOpen":0, "index":-1, "place":3, "property":{ "rotation":0, "ex":"doc", "smallImg":"", "studentName":"", "code":"4a6e3378abda2a37812d492ddaddc0d4", "path":"", "width":60, "from":7, "fileType":"5", "height":45 } } ], [ { "text":"说一说玩滑梯的感觉", "x":2, "type":2, "y":10, "isOpen":0, "index":-1, "place":0, "property":{ "rotation":0, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_BA5C048D765D06D8452D0E583D184591.jpg?t=20160310", "studentName":"", "code":"BA5C048D765D06D8452D0E583D184591", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/BA5C048D765D06D8452D0E583D184591.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"摩擦力", "x":2, "type":2, "y":65, "isOpen":0, "index":-1, "place":1, "property":{ "rotation":0, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_600EDD41EEC1A2B55FD4E322C5C13E37.jpg?t=20160310", "studentName":"", "code":"600EDD41EEC1A2B55FD4E322C5C13E37", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/600EDD41EEC1A2B55FD4E322C5C13E37.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"(青岛版)三年级科学下册教案 玩滑梯的启示 1 ", "x":2, "type":1, "y":120, "isOpen":0, "index":-1, "place":2, "property":{ "rotation":0, "ex":"doc", "smallImg":"", "studentName":"", "code":"d39c23ac4a1ddfe09e2caccce9d0bc37", "path":"", "width":60, "from":7, "fileType":"2", "height":45 } }, { "text":"《玩滑梯的启示》教案2", "x":2, "type":1, "y":175, "isOpen":0, "index":-1, "place":3, "property":{ "rotation":null, "ex":"doc", "smallImg":"", "studentName":"", "code":"9e2769999fb5d7883751a07b95cddc68", "path":"", "width":60, "from":7, "fileType":"2", "height":45 } } ], [ { "text":"第4页", "x":2, "type":2, "y":10, "isOpen":0, "index":-1, "place":0, "property":{ "rotation":null, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_D596E5B62CE21B63FE3EA08AC7C06F52.jpg?t=20160310", "studentName":"", "code":"D596E5B62CE21B63FE3EA08AC7C06F52", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/D596E5B62CE21B63FE3EA08AC7C06F52.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"玩滑梯的启示", "x":2, "type":2, "y":65, "isOpen":0, "index":-1, "place":1, "property":{ "rotation":0, "ex":"jpg", "smallImg":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/98x98_2CBCB2FE952DA3A6D1F6D388D8B21232.jpg?t=20160310", "studentName":"", "code":"2CBCB2FE952DA3A6D1F6D388D8B21232", "path":"http://ebookfile.xueleyun.com/r/040003002027100/040003002027100001002/2CBCB2FE952DA3A6D1F6D388D8B21232.jpg?t=20160310", "width":60, "from":2, "fileType":null, "height":45 } }, { "text":"《玩滑梯的启示》图片:滑梯", "x":2, "type":2, "y":120, "isOpen":0, "index":-1, "place":2, "property":{ "rotation":0, "ex":"jpg", "smallImg":"", "studentName":"", "code":"702563eb418ba774feed7a38c4d6b088", "path":"", "width":60, "from":7, "fileType":"6", "height":45 } }, { "text":"《玩滑梯的启示》图片:滑梯3", "x":2, "type":2, "y":175, "isOpen":0, "index":-1, "place":3, "property":{ "rotation":null, "ex":"jpg", "smallImg":"", "studentName":"", "code":"cc9ad9e52d348bbd9e8f3ae3a7a6e6c5", "path":"", "width":60, "from":7, "fileType":"6", "height":45 } } ] ], "bgStyle":1 }*/ // 解析 授课神器下的 text 格式素材 JsonArray array=json.get("pages").getAsJsonArray(); // 解析得到第一层数组 //System.out.println(array); for(int i=0;i<array.size();i++){ System.out.println("---------------"); JsonArray array1 = (JsonArray) array.get(i); // 解析得到第二层数组 //System.out.println(array1); for(int j=0;j<array1.size();j++) { JsonObject subObject=(JsonObject) array1.get(j); boolean b = subObject.has("text"); System.out.println(b); // 不断累加即可 //System.out.println(subObject.get("text")); } } /* { "content":{ "id":"26b716bba9614652bdc8c74439baa3a6", "name":"1我们的民族小学20180703", "saveVersion":"1", "isOnline":true, "blackboards":{ "items":[ { "elements":{ "itemList":[ Object{...}, { "colorKey":"#ed2b48", "config":{ "width":551.1087267525036, "height":811, "originalWidth":551.1087267525036, "originalHeight":811, "translate":{ "x":837.4456366237482, "y":54.5, "sx":-275.5543633762518, "sy":-405.5, "ex":-275.5543633762518, "ey":-405.5 }, "rotate":0, "scale":1 }, "elementType":1, "localSrc":"", "onlineFileConfig":{ "fileKey":"86c8ca5b5c4732828c4c2613082d7642", "fileType":6, "fileSmallUrl":"https://dl.xueleyun.com/images/98x98_86c8ca5b5c4732828c4c2613082d7642.jpg", "fileName":"第2页", "extension":"jpg", "fileSize":0, "isFeedBack":false, "isUpload":false, "url":"https://dl.xueleyun.com/images/86c8ca5b5c4732828c4c2613082d7642.jpg", "pptIndexUrl":"undefined", "favoriteId":"", "diskId":"218193", "userIcon":"", "userName":"", "thumbCache":"undefined" }, "isDraw":true, "isNeedSave":true, "isPublic":false, "isBook":true } ] }, "inactiveElements":[ ], "penLines":{ "itemList":[ { "colorKey":"#27997e", "lineWidth":5, "lineColor":"rgba(255, 255, 255, 1)", "points":{ "items":[ { "x":280, "y":379 } ] } }, { "colorKey":"#d9297c", "lineWidth":5, "lineColor":"rgba(255, 255, 255, 1)", "points":{ "items":[ { "x":385, "y":688 }, { "x":534, "y":490 } ] } }, { "colorKey":"#dd5771", "lineWidth":5, "lineColor":"rgba(255, 255, 255, 1)", "points":{ "items":[ { "x":230, "y":468 }, { "x":889, "y":420 } ] } }, { "colorKey":"#b50ca5", "lineWidth":5, "lineColor":"rgba(255, 255, 255, 1)", "points":{ "items":[ { "x":870, "y":346 }, { "x":945, "y":583 } ] } }, { "colorKey":"#520fd1", "lineWidth":5, "lineColor":"rgba(255, 255, 255, 1)", "points":{ "items":[ { "x":763, "y":128 } ] } } ] } } ] } }, "unitId":"010003001001001001001", "userId":"36838484", "schoolId":"352947", "coursewareName":"1我们的民族小学20180703" }*/ // 解析h5 中elementType 格式的素材 JsonObject obj = json.get("content").getAsJsonObject(); // 解析得到第一层数组 JsonObject blackboards = obj.get("blackboards").getAsJsonObject(); JsonArray items = blackboards.get("items").getAsJsonArray(); for(int i=0; i<items.size();i++) { JsonObject subObject = (JsonObject)items.get(i); JsonObject elements = subObject.get("elements").getAsJsonObject(); JsonArray itemList = elements.get("itemList").getAsJsonArray(); for(int j=0; j<itemList.size();j++) { JsonObject item=(JsonObject)itemList.get(j); System.out.println("元素: " + item); boolean b = item.has("elementType"); System.out.println(b); if(b) { String value = item.get("elementType").toString(); System.out.println(value); } } } }catch (Exception e) { e.printStackTrace(); } } }
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