Recommendation of data acquisition tools and detailed graphic process of data acquisition list

Tool recommendation

Recent work needs , You need to grab some website information for reference . I haven't done it before , Cranial neuralgia .

So I found several software to capture data , Found the following three ：

1, Train collectors ;

locomotive . I don't know if I made this one wrong , Still can't use , I can't catch it anyway , The task status is always red , Personally, I feel that the operation difficulty coefficient is high , Execute the task prompt to let me upgrade , For a little while , Finally gave up .

If there are Taoist friends who know how to use , Please confide in me , Teach me how to use .

2, Octopus collector ;

Personal feeling , Simple operation , Suitable for Xiaobai , The operation manual is also quite detailed .

It mainly depends on the business of the company , The amount of data that needs to be captured is not large . Currently, there are no restrictions on crawling websites for free , The number of tasks is limited 30 individual , For small businesses , How much is enough ; 

3,147SEO.

Although the main product is said to be free , But some functions will not work , The use of some functions depends on the binding website , I don't know whether it's safe to do this .

Collect detailed graphic flow

Here are some examples , To collect Baidu “ What is a happy planet ” Take the information list as an example . Acquisition Title , describe , Links and details page Content field .

1, Copy the website address to be collected , Input to Octopus homepage Acquisition column , Click on   Start collecting ;

 2,(1) Click on the title , Select all on the right ;(2) Click to select the required field ;(3) Then click collect data .

3, Slide to the bottom of the page , Click on “ The next page ” Button , Select on the right     Cycle to the next page ;

 

 4, choice （1） Click on the top right corner   preservation   Button ;（2） Click on collection   Button ;（3） Select local collection , restart now

 

 

5, Finally, choose to export data .