Charles break point modify request data & response data

Charles Is a commonly used packet capturing tool , and fiddler、wireshark, The principle is the same , You can intercept all the network requests initiated and returned through the proxy server .

Charles The main functions are ：1、 Intercept network packets of various protocols 2、 Support to modify request parameters 3、 Support to modify the returned results 4、 Support simulated weak network test

How to modify request parameters

Pictured , Select the interface you want to break , The right choice Breakpoints

Click on Proxy Medium Breakpoint Settings

Pictured , After clicking , The interface that originally wanted the breakpoint will appear on this , Click to select the interface you want to break

Remember to Query Replace with * Number , Click on ok

After the breakpoint is set successfully , Request the interface to be powered off , The following page will appear , You can click on the Request Modify request parameters , Lateral Eeit Response As the name suggests, it is a modification response data

As shown in the figure , In the requested interface , I want to change the response data to the data I expect

Let's take a look at the result of modifying the response data ~

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