Get the data of Mafeng Hotel

Statement

All contents in this article are for learning and communication only , The content of the package 、 Sensitive website 、 All data interfaces have been desensitized , It is strictly prohibited to use for commercial and illegal purposes , Otherwise, all the consequences have nothing to do with the author , If there is infringement , Please contact me to delete ！

---

Home page ：aHR0cHM6Ly93d3cubWFmZW5nd28uY24v

Interface ：aHR0cHM6Ly93d3cubWFmZW5nd28uY24vaG90ZWwvYWpheC5waHA=

Capture the requirements as shown in the box selection section in the figure below

After entering the home page , We click on the corresponding hotel , Screen the corresponding check-in date and departure time , Click on the search , By grabbing bags , Find the interface

We found that the returned data is standard JSON data , And the information we need is key by html In the value of

Then let's look at the request parameters , The box in the figure is what we need to fill , Check in and leave dates can be fixed , The number of pages can be set , The timestamp can be set , Now let's look at this _sn What are the parameters

The simple and crude way is to search the big method globally , As you can see from the picture , Why didn't you find it ？ It's hard to find anything on the web

The reasons can be attributed to the following ：

① This value may be modified when sending ② It may be generated by confused code , Then when a request occurs , Call splicing to get

Then what shall I do? ？

Only through XHR Breakpoints , Copy the interface to the following figure , Then click on the next page , Then the next step is ajax The place of

Print it from the console , The occurrence value has been generated

At this time, we have to go back online , have a look d Where was assigned

Then you will come to a index The file of

You can find ,_ts and _sn The parameters are calculated here

_ts It's a time stamp , and _sn By requesting parameters , By sorting , Add salt , Finally through md5 Encrypted interception 2 To 12 You get

Understand the whole context , You can put all js Take down , Make up the environment call , You can also use Python make carbon copies

Here I pass python make carbon copies , Then make a request , Get the first two pages

Succeed in getting ！！！

---

summary ： Verification code may be encountered during crawling , Can pass ddddocr solve