0 != contentViewWidth -> contentViewWidth > 0

Author: sunnyxx

Classes/UITableView+FDTemplateLayoutCell.m

@@ -96,21 +96,12 @@ - (CGFloat)fd_heightForCellWithIdentifier:(NSString *)identifier configuration:(
     } else {
         // Add a hard width constraint to make dynamic content views (like labels) expand vertically instead
         // of growing horizontally, in a flow-layout manner.
-        
-        /* 修复1.3版本存在的一个bug:给contentView添加宽度为0的约束,会与已有子视图约束冲突. */
-        if (0 != contentViewWidth) {
-            NSLayoutConstraint *tempWidthConstraint =
-            [NSLayoutConstraint constraintWithItem:cell.contentView
-                                         attribute:NSLayoutAttributeWidth
-                                         relatedBy:NSLayoutRelationEqual
-                                            toItem:nil
-                                         attribute:NSLayoutAttributeNotAnAttribute
-                                        multiplier:1.0
-                                          constant:contentViewWidth];
-            [cell.contentView addConstraint:tempWidthConstraint];
+        if (contentViewWidth > 0) {
+            NSLayoutConstraint *widthFenceConstraint = [NSLayoutConstraint constraintWithItem:cell.contentView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:contentViewWidth];
+            [cell.contentView addConstraint:widthFenceConstraint];
             // Auto layout engine does its math
             fittingSize = [cell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize];
-            [cell.contentView removeConstraint:tempWidthConstraint];
+            [cell.contentView removeConstraint:widthFenceConstraint];
         }
     }