json解析常见异常: org.json.JSONException: Expected a ',' or '}' at 80 [character 81 line 1] 原因:出现乱码了， 导致json格式出错.. 解决办法: String result = new String(data,"utf-8"); 默认是iso8859-1 (将编码方式改为utf-8) if(response.getStatusLine().getStatusCode()==200){ HttpEntity httpEntity = response.getEntity(); byte[] data = EntityUtils.toByteArray(httpEntity); String result = new String(data,"utf-8"); jsoncCallBack.response(result); } java.lang.IllegalArgumentException: Malformed escape pair at index 86: http://sns.maimaicha.com/api?apikey=b4f4ee31a8b9acc866ef2afb754c33e6&format=json&page=%d&rows=20&method=news.getListByType&type=16 at java.net.URI.create(Unknown Source) at org.apache.http.client.methods.HttpGet.(HttpGet.java:69) at http.HttpUtils.downloadData(HttpUtils.java:37) at test.Test2.main(Test2.java:31) Caused by: java.net.URISyntaxException: Malformed escape pair at index 8