代码如下，如何在GET函数外获取到在其内解析到的数据，从而加以利用呢？
//
// ViewController.m
// 1
//
// Created by on 16-2-2.
// Copyright (c) 2016年 . All rights reserved.
//
#import "ViewController.h"
#import "AFHTTPRequestOperationManager.h"
#import "XiaHuaModel.h"
#import "XiaoHuaCell.h"
@interface ViewController ()
{
__block NSMutableArray *arrData;
UITableView *xiaoHuaView;
}
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
NSString *url = @"http://localhost/json/2.json";
xiaoHuaView = [[UITableView alloc]initWithFrame:self.view.bounds];
xiaoHuaView.delegate = self;
xiaoHuaView.dataSource = self;
[self.view addSubview:xiaoHuaView];
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager GET:url parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSError *err= nil;
//XiaHuaModel用于解析JSON数据为对象，它继承自第三方开源库JSONModel
XiaHuaModel *xiaHua = [[XiaHuaModel alloc]initWithDictionary:(NSDictionary *)responseObject error:&err];
NSArray *detailArray = xiaHua.detail;
arrData = [NSMutableArray arrayWithArray:detailArray];
// detailModel *detail = [detailArray objectAtIndex:indexPath.row];
// NSDictionary *detailDictionary = [detail toDictionary];
NSLog(@"AFNetworking GET 函数内部数据为: %d",arrData.count);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error...%@",error);
}];
NSLog(@"AFNetworking GET 函数外部数据为: %d",arrData.count);
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSLog(@"numberOfRowsInSection函数中的数据为 : %d",arrData.count);
//此处期望获得值为2，但是却得到0
return arrData.count;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 130;
}
-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return 5;
}
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section
{
return 3;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *Identifier = @"XiaoHuaCell";
XiaoHuaCell *cell = (XiaoHuaCell *)[tableView dequeueReusableCellWithIdentifier:Identifier];
if (!cell) {
cell = [[XiaoHuaCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:Identifier];
}
return cell;
}
@end
**执行的结果为（执行的顺序与返回值不知是如何得到的，请指教）
2016-02-06 05:35:36.347 1[1945:60b] AFNetworking GET 函数外部数据为: 0
2016-02-06 05:35:36.365 1[1945:60b] numberOfRowsInSection函数中的数据为 : 0
2016-02-06 05:35:36.481 1[1945:60b] AFNetworking GET 函数内部数据为: 4
**
该段代码中 http://localhost/json/2.json 中的数据如下：
{
"status": "000000",
"desc": null,
"detail": [
{
"id": 40052,
"xhid": 40052,
"author": "不要抓我",
"content": "有多少人，当年在学校为了夜里出去上网锯窗户过？有多少人翻墙的时候后跳到臭水沟了？",
"picUrl": "",
"status": "1"
},
{
"id": 40051,
"xhid": 40051,
"author": "咸鱼翻跟头",
"content": "一个人在外面打工，手伤了缝了5针也不敢跟家人说，怕她们担心，一个人硬撑着，可心里怎么那么难过啊！",
"picUrl": "http://img.appd.lengxiaohua.cn/2016/01/31/bd82974300ced_o.jpg",
"status": "1"
}
]
}
