今天解析json遇到 org.json.JSONException: Value of type java.lang.String cannot be converted to JSONArray
在4.0版本没有问题，但在2.3.7版本就遇到这问题很奇怪，我的josn是用ultraEdit文本编辑器保存为UTF-8的，但还是报这错误，后来查到了：
该异常有 json 文件编码所引起的，所以切切不要应用 记事本 编辑 json 文件，而应选择其他文本编辑器，如 EditPlus ，并重视保存编码格局为 UTF-8，不然可能产生中文乱码。
用记事本编辑后，即使 另存为 UTF-8 情势，也会产生乱码，因为保存在为 UTF-8 + BOM 编码
后来用EditPlus保存为UTF-8就没有问题了
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