从http://friend.renren.com/myfriendlistx.do#item_0可以查看自己的好友列表,查看源文件,最后一段javascript是json格式的好友列表,把它存下来,经常备份,过一段时间比较一次,就能知道是谁将自己删除了
<script type="text/javascript">
//当前的好友列表,真实情况会有很长的好友列表,这里只是举例var friends1 = [{ "id": 123456, "vip": false, "selected": true, "mo": false, "name": "Mingzi1", "head": "http:\/\/hdn.xnimg.cn\/photos\/hdn321\/20101208\/2305\/tiny_tKFm_63418i01911.jpg", "groups": ["supinfo"] }, { "id": 123457, "vip": false, "selected": true, "mo": true, "name": "Mingzi2", "head": "http:\/\/hdn.xnimg.cn\/photos\/hdn321\/20101021\/2215\/tiny_1VBy_121696a01911.jpg", "groups": ["\u6cd5\u56fd"] }];
//先前的好友列表
var friends1 = [{ "id": 123456, "vip": false, "selected": true, "mo": false, "name": "Mingzi1", "head": "http:\/\/hdn.xnimg.cn\/photos\/hdn321\/20101208\/2305\/tiny_tKFm_63418i01911.jpg", "groups": ["supinfo"] }, { "id": 123457, "vip": false, "selected": true, "mo": true, "name": "Mingzi2", "head": "http:\/\/hdn.xnimg.cn\/photos\/hdn321\/20101021\/2215\/tiny_1VBy_121696a01911.jpg", "groups": ["\u6cd5\u56fd"] }];
var myIDs1 = new Array(); //新建一数组,存放当前的所有好友的id
var myIDs2 = new Array(); //新建一数组,存放先前的所有好友的id
for (var i = 0; i < friends1.length; i++) {
myIDs1[i] = friends1[i].id;
}
for (var i = 0; i < friends2.length; i++) {
myIDs2[i] = friends2[i].id;
}
//必须的,否则会出现漏删相同项的情况
myIDs1.sort();
myIDs2.sort();
//比较两个id列表,将两列表相同id从先前列表删除,留下的就是将自己删除好友的人的id
for (var i = 0; i < myIDs1.length; i++) {
for (var j = 0; j < myIDs2.length; j++) {
if (myIDs1[i] == myIDs2[j]) {
myIDs2.splice(j, 1);
}
}
}
document.write(myIDs2);
</script>
                    
                
                
            
        
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