性能优化/自定义cell改为直接注入类型，提升处理效率

xiaoyouPrince · Jun 26, 2022 · 489d3d4 · 489d3d4
1 parent 9f97b49
commit 489d3d4
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Showing 2 changed files with 15 additions and 5 deletions.
diff --git a/SectionDemo/XYInfomationSection/XYInfomationCell.h b/SectionDemo/XYInfomationSection/XYInfomationCell.h
@@ -65,6 +65,7 @@ typedef NS_ENUM(NSUInteger, XYInfoCellType) {
 @interface XYInfomationItem : NSObject
 /**
  图片名 default is nil
+ @note 若使用此属性，应使用本地图片。若传入网络图地址，会从网络下载，比较耗时
  */
 @property(nonatomic , copy)     NSString *imageName;
 /**
@@ -160,7 +161,7 @@ typedef NS_ENUM(NSUInteger, XYInfoCellType) {
 @property (nonatomic, strong)   UIFont *placeholderFont;
 
 ///  custom cell class - 当type == other 时候有效
-@property (nonatomic, strong)   NSString *customCellClass;
+@property (nonatomic, strong)   Class customCellClass;
 
 ///  cell 的指定 backgroundColor， default is clearColor
 @property (nonatomic, strong)   UIColor *backgroundColor;

diff --git a/SectionDemo/XYInfomationSection/XYInfomationCell.m b/SectionDemo/XYInfomationSection/XYInfomationCell.m
@@ -347,12 +347,21 @@ + (instancetype)cellWithModel:(XYInfomationItem *)model
             break;
         case XYInfoCellTypeOther: // 如果是自定义类型，那就根据model中自定义类来创建
         {
-            if (NSClassFromString(model.customCellClass)) {
-                cell = [NSClassFromString(model.customCellClass) new];
-            }else
-            {
+            if ([model.customCellClass isKindOfClass:[NSNull class]]) {
                 @throw [[NSException alloc] initWithName:@"入参错误" reason:@"model.type为Other，必须传入 customCellClass" userInfo:nil];
             }
+
+            // 兼容旧版本，v1.3之前定义 String 类型
+            if ([model.customCellClass isKindOfClass:[NSString class]]) {
+                NSString *className = (NSString *)model.customCellClass;
+                if (NSClassFromString(className)) {
+                    cell = [NSClassFromString(className) new];
+                }
+            } else {
+                // 新版改为 Class 直接注册，提升性能
+                cell = [model.customCellClass new];
+            }
+
             cell->_cell_type = XYInfoCellTypeOther;
             cell.model = model;
         }