Java中:利用StringEscapeUtils.unescapeHtml4
String newJson = StringEscapeUtils.unescapeHtml4(jsonStr);
JS中:用正则表达式将转义字符"替换为双引号强转
//替换转义字符
var yc = ycList.replace(/"/g,'"');
转载地址:https://blog.csdn.net/xujiangdong1992/article/details/78970569