Figure 9- 21 [WCTimeLineViewController genNormalCell:indexPath:]
The logic is not complicated, if you look through the method body, a suspicious method
comes up, as shown in figure 9-22.
Figure 9-22 [WCTimeLineViewController genNormalCell:indexPath:]
Infer from the name, getTimelineDataItemOfIndex: in figure 9-22 is probably the data