配置并测试朋友圈页面的数据源，加入上拉刷新功能

WeChat/Chat/Controller/ChatroomViewController.m

@@ -153,7 +153,6 @@ - (void)buildEditorView
       /*
        若要在修改约束的同时进行动画的话，需要调用其父视图的layoutIfNeeded方法，并在动画中再调用一次
        */
-
       [weakSelf.editorView mas_updateConstraints:^(MASConstraintMaker* make) {
         make.bottom.offset(-keyboardSize.height);
       }];

WeChat/Found/Controller/DiscoverViewController.m

@@ -119,6 +119,9 @@ - (CGFloat)tableView:(UITableView*)tableView
 - (void)tableView:(UITableView*)tableView
   didSelectRowAtIndexPath:(NSIndexPath*)indexPath
 {
+  if (indexPath.section != 0)
+    return;
+
   MomentsTableViewController* destinationVC =
     [[MomentsTableViewController alloc] init];
   destinationVC.hidesBottomBarWhenPushed = true;

WeChat/Found/Controller/MomentsTableViewController.m

@@ -7,89 +7,146 @@
 //
 
 #import "CoverHeaderView.h"
+#import "MJRefresh/MJRefresh/Custom/Footer/Auto/MJRefreshAutoNormalFooter.h"
 #import "Masonry/Masonry/Masonry.h"
+#import "Moment.h"
+#import "MomentsDataSource.h"
 #import "MomentsTableViewController.h"
 #import "SpinningLoadingView.h"
 
 @interface
 MomentsTableViewController ()
 @property (strong, nonatomic) CoverHeaderView* coverView;
 @property (assign, nonatomic) float contentInsetY;
+
+@property (strong, nonatomic) MomentsDataSource* datasource;
+@property (strong, nonatomic) NSMutableArray<Moment*>* momentsArray;
 @end
 
 @implementation MomentsTableViewController
+- (NSMutableArray<Moment*>*)momentsArray
+{
+    if (_momentsArray == nil) {
+        _momentsArray = [NSMutableArray array];
+    }
+    return _momentsArray;
+}
+- (MomentsDataSource*)datasource
+{
+    static MomentsDataSource* datasource = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+      datasource = [[MomentsDataSource alloc] init];
+    });
+
+    return datasource;
+}
 - (void)viewDidLoad
 {
-  [super viewDidLoad];
-  self.contentInsetY = -150;
+    [super viewDidLoad];
+    self.contentInsetY = -150;
 
-  [self buildTableview];
-  [self bindConstraints];
+    [self buildTableview];
+    [self bindConstraints];
+    [self loadData:true];
 }
 - (void)buildTableview
 {
-  self.coverView = [CoverHeaderView
-    coverHeaderWithCover:[UIImage imageNamed:@"cover"]
-                  avatar:[UIImage imageNamed:@"siegrain_avatar"]
-                    name:@"Siegrain Wong"];
-  self.tableView.contentInset = UIEdgeInsetsMake(self.contentInsetY, 0, 0, 0);
-  self.tableView.tableHeaderView = self.coverView;
+    self.coverView = [CoverHeaderView
+      coverHeaderWithCover:[UIImage imageNamed:@"cover"]
+                    avatar:[UIImage imageNamed:@"siegrain_avatar"]
+                      name:@"Siegrain Wong"];
+    self.tableView.contentInset = UIEdgeInsetsMake(self.contentInsetY, 0, 0, 0);
+    self.tableView.tableHeaderView = self.coverView;
+
+    SpinningLoadingView* loadingView =
+      [SpinningLoadingView headerWithRefreshingBlock:^{
+        dispatch_after(
+          dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)),
+          dispatch_get_main_queue(), ^{
+            [self loadData:true];
+            [self.tableView.mj_header endRefreshing];
+          });
+      }];
+    loadingView.ignoredScrollViewContentInsetTop = self.contentInsetY;
+    self.tableView.mj_header = loadingView;
 
-  SpinningLoadingView* loadingView =
-    [SpinningLoadingView headerWithRefreshingBlock:^{
+    self.tableView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
       dispatch_after(
-        dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)),
-        dispatch_get_main_queue(), ^{
-          //          self.tableView.contentOffset = CGPointMake(0, -124);
-          //          [UIView animateWithDuration:0.5
-          //                           animations:^{
-          //                             self.tableView.contentOffset =
-          //                             CGPointMake(0, 86);
-          //                           }];
-          [self.tableView.mj_header endRefreshing];
+        dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(),
+        ^{
+          [self loadData:false];
+          [self.tableView.mj_footer endRefreshing];
         });
     }];
-  loadingView.ignoredScrollViewContentInsetTop = self.contentInsetY;
-  self.tableView.mj_header = loadingView;
-
-  // tableview.header默认是在tableview.tableHeaerView后面的
-  [self.tableView bringSubviewToFront:self.tableView.mj_header];
 }
 - (void)bindConstraints
 {
-  [self.coverView mas_makeConstraints:^(MASConstraintMaker* make) {
-    make.right.left.top.offset(0);
-    make.height.width.equalTo(self.tableView.mas_width);
-  }];
+    [self.coverView mas_makeConstraints:^(MASConstraintMaker* make) {
+      make.right.left.top.offset(0);
+      make.width.equalTo(self.tableView.mas_width);
+      make.height.equalTo(self.tableView.mas_width).offset(30);
+    }];
 }
+
+- (void)loadData:(BOOL)isInitial
+{
+    if (isInitial) [self.momentsArray removeAllObjects];
+
+    NSArray* datas = [self.datasource moments];
+    [self.momentsArray addObjectsFromArray:datas];
+
+    if (isInitial)
+        [self.tableView reloadData];
+    else {
+        NSMutableArray* indexPaths = [NSMutableArray array];
+        for (NSUInteger i = 0; i < datas.count; i++) {
+            [indexPaths addObject:[NSIndexPath indexPathForRow:i inSection:0]];
+        }
+
+        [UIView setAnimationsEnabled:false];
+        [self.tableView beginUpdates];
+        [self.tableView insertRowsAtIndexPaths:indexPaths
+                              withRowAnimation:UITableViewRowAnimationNone];
+        [self.tableView endUpdates];
+        [UIView setAnimationsEnabled:true];
+    }
+
+    /*
+	 tableview.header默认是在tableview.tableHeaerView后面的
+	 而且每次更新表格后都会重置这个顺序，所以每次刷新都要执行一次这个方法
+	 */
+    [self.tableView bringSubviewToFront:self.tableView.mj_header];
+}
+
 - (void)didReceiveMemoryWarning
 {
-  [super didReceiveMemoryWarning];
+    [super didReceiveMemoryWarning];
 }
 
 #pragma mark - tableview
 - (CGFloat)tableView:(UITableView*)tableView
   heightForRowAtIndexPath:(NSIndexPath*)indexPath
 {
-  return 50;
+    return 50;
 }
 - (NSInteger)tableView:(UITableView*)tableView
- numberOfRowsInSection:(NSInteger)section
+  numberOfRowsInSection:(NSInteger)section
 {
-  return 50;
+    return self.momentsArray.count;
 }
 - (UITableViewCell*)tableView:(UITableView*)tableView
         cellForRowAtIndexPath:(NSIndexPath*)indexPath
 {
-  UITableViewCell* cell =
-    [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
-                           reuseIdentifier:@"ss"];
-  cell.textLabel.text = @"尼玛。。。。";
-  return cell;
+    UITableViewCell* cell =
+      [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
+                             reuseIdentifier:@"ss"];
+    cell.textLabel.text = self.momentsArray[indexPath.row].content;
+    return cell;
 }
 #pragma mark - scrollview
 - (void)scrollViewDidScroll:(UIScrollView*)scrollView
 {
-  NSLog(@"%f", scrollView.contentOffset.y);
+    //  NSLog(@"%f", scrollView.contentOffset.y);
 }
 @end

WeChat/Found/Model/Moment.h

@@ -0,0 +1,20 @@
+//
+//  Moment.h
+//  WeChat
+//
+//  Created by Siegrain on 16/4/23.
+//  Copyright © 2016年 siegrain. weChat. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface Moment : NSObject
+@property (copy, nonatomic) NSString* content;
+@property (copy, nonatomic) NSString* name;
+@property (strong, nonatomic) UIImage* avatar;
+
+@property (copy, nonatomic) NSArray* pictures;
+@property (copy, nonatomic) NSArray* comments;
+
++ (instancetype)momentWithContent:(NSString*)content name:(NSString*)name pictures:(NSArray*)pictures comments:(NSArray*)comments;
+@end

WeChat/Found/Model/Moment.m

@@ -0,0 +1,22 @@
+//
+//  Moment.m
+//  WeChat
+//
+//  Created by Siegrain on 16/4/23.
+//  Copyright © 2016年 siegrain. weChat. All rights reserved.
+//
+
+#import "Moment.h"
+
+@implementation Moment
++ (instancetype)momentWithContent:(NSString*)content name:(NSString*)name pictures:(NSArray*)pictures comments:(NSArray*)comments
+{
+    Moment* model = [[Moment alloc] init];
+    model.content = content;
+    model.name = name;
+    model.pictures = pictures;
+    model.comments = comments;
+
+    return model;
+}
+@end

WeChat/Found/MomentsDataSource.h

@@ -0,0 +1,14 @@
+//
+//  MomentsDataSource.h
+//  WeChat
+//
+//  Created by Siegrain on 16/4/23.
+//  Copyright © 2016年 siegrain. weChat. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface MomentsDataSource : NSObject
+- (NSString*)randomName;
+- (NSArray*)moments;
+@end