根据后台返回的日期排序数据

来源：互联网发布：org.apache.shiro 编辑：程序博客网时间：2024/04/30 02:02

1、数据数组套字典
(
{
“add_date” = “2016.09.14 13:42”;
“is_see” = 1;
“message_content” = “\U6e29\U99a8\U63d0\U793a:\U3010123\U3011\U7684\U8ba2\U53551609071551228739\U5df2\U7ecf\U4ed8\U6b3e\Uff0c\U4ed8\U6b3e\U91d1\U989d606.56\U5143\Uff0c\U8bf7\U53ca\U65f6\U67e5\U770b!”;
“message_header” = “2016\U5e7409\U6708”;
“message_id” = TShort33349f2f77a24e70a919c2ce900890a6;
“message_title” = “\U4ed8\U6b3e\U63d0\U9192”;
“message_type” = “\U4ed8\U6b3e\U63d0\U9192”;
},
{
“add_date” = “2016.09.14 11:54”;
“is_see” = 1;
“message_content” = “\U6e29\U99a8\U63d0\U793a:\U60a8\U5728\U3010123\U3011\U7684\U8ba2\U53551608311659438511\U5df2\U7ecf\U53d6\U6d88\U8ba2\U5355\Uff0c\U8bf7\U53ca\U65f6\U67e5\U770b!”;
“message_header” = “2016\U5e7409\U6708”;
“message_id” = TShort28d7175e741f4692a84f598e57311f3c;
“message_title” = “\U53d6\U6d88\U8ba2\U5355\U63d0\U9192”;
“message_type” = “\U53d6\U6d88\U8ba2\U5355\U63d0\U9192”;
},
{
“add_date” = “2016.09.14 11:53”;
“is_see” = 1;
“message_content” = “\U6e29\U99a8\U63d0\U793a:\U60a8\U5728\U3010123\U3011\U7684\U8ba2\U53551608311659478980\U5df2\U7ecf\U53d6\U6d88\U8ba2\U5355\Uff0c\U8bf7\U53ca\U65f6\U67e5\U770b!”;
“message_header” = “2016\U5e7409\U6708”;
“message_id” = TShorta637b6c7faec48f0b8400271d2df7f02;
“message_title” = “\U53d6\U6d88\U8ba2\U5355\U63d0\U9192”;
“message_type” = “\U53d6\U6d88\U8ba2\U5355\U63d0\U9192”;
},
）

2、message_header是本次我们要拿来排序的日期
3、创建一个model放数据的字段
4、拿日期进行比较，相同的拼接放在同一个数组不同的放另一个数组，

_messageNarray = [NSMutableArray arrayWithCapacity:0];
_currentMessageArray = [NSMutableArray arrayWithCapacity:0];
这里写图片描述
效果图

还可以这样 /*if (dic) {
NSArray *dataArray = [dic objectForKey:@”backinfo”];
[dataArray enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
NSString *dateKey = [obj objectForKey:@”message_header”];
NSMutableArray *dateArray = [NSMutableArray arrayWithArray:[mutableDict objectForKey:dateKey]];
[dateArray addObject:obj];
[mutableDict setObject:dateArray forKey:dateKey];
}];

            //日期            NSMutableArray *dayArray = [NSMutableArray array];            //所有的天数            NSMutableArray *allDateArray = [NSMutableArray array];            //每一条            NSMutableArray *dateMutableArray = [NSMutableArray array];            for (NSString *dateKey in  [mutableDict allKeys]) {                NSMutableArray *dateKeyArray = mutableDict[dateKey];                for (id value in dateKeyArray) {                    MessageCenterModel *messageModel = [MessageCenterModel initWithDictionary:value];                    [self.statusArr addObject:messageModel.is_see];                    [dateMutableArray addObject:messageModel];                }                [allDateArray addObject:dateMutableArray];                [dayArray addObject:dateKey];            }

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