1. Create a taxonomy source-oc Files-Select Uiimageview to create category (category) 2. Create an object method in the taxonomy: What do I need to do to analyze the classification, and what parameters are needed? 1) Categories need to get URLs to download pictures 2) Categories need to pass in a picture, as placeholder so, define a method:-(void) My_ Sdwebimagewithurl: (nsurl*) URL placeholder: (uiimage*) placeholder; 3. Take the thread creation method from the original Viewdidload method. Accordingly, Downloadimage: methods, and Updateimageviewwithdata: methods are to be brought over. 4. According to the parameters obtained now, the original need to obtain the tag value of the place, do the corresponding changes. 1) Download the image method, pass the URL download nsdata data 2) Refresh the UI method, pass the data to refresh UI 5. Back to the Viewdidload method the original set of overthrow now to implement call a method to load the picture, refresh the UI. So you need to pass in the URL and a background map. So, the reverse first obtains the URL string, then creates the Nsurl object. [Myimgview my_sdwebimagewithurl:url placeholder:placeholdiage];//Note: Index self-increment to be placed in the For loop, the last face. 0422 Review _ morning _ multi-threaded simultaneous download pictures (category). Zip
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0422 Multi-threaded Downloads (category/class Extensions)/package Mysdwebimage
