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//class1 set方法如果比较的字段都相同会帮你去重复public class DataComparator implements Comparator { @Override public int compare(JSONObject o1, JSONObject o2) { if(!((... 阅读全文
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private static final String ACCESS_ID = "erqwrwwwwwwwwwwwwwwwwww"; private static final String ACCESS_KEY = "XXXXXXXXXXXXXXXXXXXXXXXX"; static OSSClie 阅读全文
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上传图片文件 阅读全文
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各种充值可以查看:http://www.iapppay.com/g-trydemo.html 阅读全文
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方法一: /** 业务逻辑 */BasicDBObject query=new BasicDBObject();query.put("state", "3");JSONArray jsonarray=dao.getGroupCountWhere(query, "yl_dormitory");for(... 阅读全文
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随机字符串:UUID.randomUUID().toString().replace("-", "") 阅读全文
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Iterator 迭代获取value 阅读全文
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an error has occurred 阅读全文