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				@ -871,4 +871,15 @@ public class ImUtil { 
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						String ret = HttpClientUtil.get(url, "UTF-8"); 
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						return ret; 
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					} 
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					/** 
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					 * 获取在线状态 
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					 * helper 助老员,teacher 教师,child 幼儿,older 老人 
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					 * 返回 {"status":200,"data":1} data>0 说明在线 data =0 不在线 
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					 */ 
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					public String findByUserIdAndType(String userId,String type) { 
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						String url = im_host + "api/v2/sessions/findByUserIdAndType?userId?="+userId+"&type="+type; 
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						String ret = HttpClientUtil.get(url, "UTF-8"); 
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						return ret; 
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					} 
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				} 
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