解决问题 com.alibaba.fastjson.JSONObject cannot be cast to 的问题

2022-11-04

pom.xml

	<dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.79</version>
        </dependency>

原先用的方法：

Hashtable<String,String> hash = (Hashtable<String,String>)JSON.parse(task_desc);

正确的方法：

Hashtable<String,String> hash = (Hashtable<String,String>)JSON.parseObject(task_desc,Hashtable.class);