YYXC_Student/jiaPei/NewsOfLearnVC.m

//
//  NewsOfLearnVC.m
//  jiaPei
//
//  Created by apple on 15/12/8.
//  Copyright (c) 2015年 JCZ. All rights reserved.
//

#import "NewsOfLearnVC.h"
#import "HolderView.h"
#import "NewsDetVC.h"
#import "NewsOfLearnCell.h"

@interface NewsOfLearnVC ()<UITableViewDataSource,UITableViewDelegate>
{
    UITableView* myTableView;
    HolderView* holdV;
    NSMutableArray* models;
    
    int currentPage;
}
@end

@implementation NewsOfLearnVC

- (void)viewDidLoad {
    [super viewDidLoad];
    [self myInit];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

-(void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    
    [self getTopicNews];
}

#pragma mark -

-(void)myInit
{
    [self configNavigationBar];
    [self setTitle:@"驾考头条"];
    [self.view setBackgroundColor:[UIColor whiteColor]];
    currentPage = 1;
    models = [NSMutableArray array];
    
    holdV = [[HolderView alloc] initWithFrame:kFrame];
    [self.view addSubview:holdV];
    [holdV setHidden:YES];
    [holdV freshBlock:^{
        [self getTopicNews];
    }];
    
    UITableView* tv = [[UITableView alloc] initWithFrame:kFrame];
    tv.height = kSize.height - kNavOffSet;
    tv.rowHeight = 92;
    tv.separatorStyle = UITableViewCellSeparatorStyleNone;
    [self.view addSubview:tv];
    myTableView = tv;
    [myTableView setDelegate:self];
    [myTableView setDataSource:self];
    
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    NewsOfLearnCell *cell = [tableView dequeueReusableCellWithIdentifier:@"newsCell"];
    if (cell == nil)
    {
        NSArray * viewArray = [[NSBundle mainBundle] loadNibNamed:@"NewsOfLearnCell" owner:nil options:nil];
        cell = [viewArray firstObject];
    }

    NSDictionary* obj = models[indexPath.row];
    //NSLog(@"------>%@",obj);
    //设置图片大小不变 超出部分截掉
    //UIViewContentModeCenter
    cell.headImg.contentMode = UIViewContentModeScaleAspectFill;
    cell.headImg.clipsToBounds  = YES;
    NSString *imgPath = obj[@"IMG"];
    if (!imgPath) {
        imgPath = @"";
    }
    [cell.headImg sd_setImageWithURL:[NSURL URLWithString:imgPath] placeholderImage:[UIImage imageNamed:@"NOIMG.png"]];
    
    cell.titleLabel.text = obj[@"TITLE"];
    
    cell.dateLabel.text = obj[@"CRDATE"];
    if ([obj[@"CRDATE"] length] > 10) {
        cell.dateLabel.text = [obj[@"CRDATE"] substringToIndex:10];
    }
    if ([obj[@"CRDATE"] isEqualToString:@""]) {
        cell.dateLabel.text = @"摘自网络";
    }
    cell.watchLabel.text = [NSString stringWithFormat:@"阅读：%@",obj[@"READNUM"]];
    return cell;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return models.count;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    NewsDetVC* vc = [[NewsDetVC alloc] init];
    [vc setPreModel:models[indexPath.row]];
    vc.type = @"1";
    [self navPushHideTabbarToVC:vc];
}

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
    UIView *view = [[UIView alloc] initWithFrame:CGRectZero];
    return view;
}
-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section
{
    return .1;
}

-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
    //查看更多
    CGPoint off = scrollView.contentOffset;
    if (scrollView.contentSize.height - off.y - scrollView.frame.size.height < 1) {
        [scrollView setContentOffset:CGPointMake(off.x, off.y - 10) animated:YES];
        [self getTopicNews];
    }
}

#pragma mark -

-(void)getTopicNews
{
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        [holdV setHidden:YES];
        return;
    }
    
    NSMutableArray *arr=[NSMutableArray array];
    [arr addPro:@"isPage"           Value:@"1"];
    [arr addPro:@"pageSize"         Value:@"10"];
    [arr addPro:@"currentPage"      Value:[NSString stringWithFormat:@"%d",currentPage]];
    
    NSString* method = @"getTopicNews";
    [MBProgressHUD showLoadToView:self.view];
    [jiaPeiManager requestAnythingWithURL:method array:arr data:nil completion:^(NSDictionary *dict) {
        
        [MBProgressHUD hideHUDForView:self.view];
        if (!dict) {
            ShowMsgFailed();
            [holdV setHidden:NO];
            return;
        }
        if ( [dict[@"code"] isEqualToString:@"1"]) {
            ShowMsg(dict[@"body"]);
            [holdV setHidden:NO];
            return;
        }
        
        NSArray* resArr = dict[@"body"];
        if (resArr.count) {
            [models addObjectsFromArray:resArr];
            currentPage ++;
            //NSLog(@"%d,--------->%@",currentPage,models);
            //要放在主线程改变UI
            [myTableView reloadData];
        }
        
        [holdV setHidden:models.count ];
    }];
}

@end