astjson 是一个性能极好的用 Java 语言实现的 JSON 解析器和生成器,来自
阿里巴巴的工程师开发。
主要特点:
一 、生成Json:
JavaBean、List<JavaBean>、List<String>、List<Map<String,Object>>
- StringjsonString=JSON.toJSONString(obj);
二、解析Json:
(1)JavaBean
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Classclass=JSON.parseObject(jsonString,Class.class);
(2)List<JavaBean>
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List<Class>class=JSON.parseArray((jsonString,153); font-weight:bold; background-color:inherit">class);
(3)List<String>
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List<String>listString=JSON.parseArray(jsonString,String.(4)List<
Map<String,Object>
>
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List<Map<String,Object>>listMap=JSON.parseObject(jsonString,newTypeReference<List<Map<String,Object>>>(){});
现有这样的json数据:
{"totalRecords":2615,
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"result":{"code":"200","status":"success"},
"list":[{"unuAbnId":"0bcd930f-014c-1000-e003-5f160a0d0114",
"entNo":"1c2e4ca8-00fa-1000-e000-74590a76bf0f",248)"> "regNO":"442000600169663",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "entName":"x",248)"> "entType":"9910",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "speCause":"3",248)"> "abnTime":"Mar13,201512:00:00AM",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "decOrg":"442020",248)"> "entNameUrl":"<ahref="..",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "auditingFileNo":"15000684990326",248)"> "abnormalID":"fd74013d-014b-1000-e00a-72970a0d0114"},{...},...],108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "pageNo":1,248)"> "pageSize":8,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "url":"main/abnInfoPage",248)"> "selList":[{"unuAbnId":"0bcd930f-014c-1000-e003-5f0f0a0d0114",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "entNo":"16da9629-0131-1000-e005-3effc0a803a8",248)"> "regNO":"442000602187424",248)"> "entNameUrl":"<ahref="..">",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "auditingFileNo":"15000684990319",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "topPageNo":1,248)"> "totalPages":327,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "previousPageNo":0,248)"> "nextPageNo":2,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> "bottomPageNo":327
}
其中list含有2615条数据,selList含有8条数据,目标是提取selList中entNameUrl的链接(不含a href=)
外层是JSONObject,里面的list和selList是JSONArrary,再里面是JSONObject。其中的result也是JSONObject
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JSONObjectjsonObj=JSON.parseObject(rawText);
JSONArrayresult=jsonObj.getJSONArray("selList");
List<Link>links=JSON.parseArray(result.toJSONString(),Link.class);
其中Link类中要有entNameUrl这个属性,并且setter和getter方法。
在setter方法中可以进一步进行处理
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publicvoidsetEntNameUrl(StringentNameUrl){
this.entNameUrl=Html.create(entNameUrl).links().get();
}
这里使用了自定方法,其功能就是取出字符串中的链接。
Link类中可以包含abnTime、entName、regNO等属性和对应的getter和setter方法,FastJson能自动映射。
通过下面的方法也可以处理:
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JSONObjectjsonObj=newJSONObject(rawText);
JSONArrayjsonArray=result.getJSONArray("selList");
for(inti=0;i<jsonArray.length;i++){
}
(编辑:李大同)
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