java中json字符串去掉转义字符

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import org.apache.commons.lang.StringEscapeUtils;

String s1="{\"MsgId\":1,\"TotalCount\":10,\"FilterCount\":8,\"SentCount\":7,\"ErrorCount\":1}";
System.out.println(StringEscapeUtils.unescapeJava(s1));

输出：
{“MsgId”:1,“TotalCount”:10,“FilterCount”:8,“SentCount”:7,“ErrorCount”:1}