Nowadays, the method of data collection has been developed maturely. For commonly used websites and structured websites, data collection software can be used for data collection. The advantage is that there is no need to write code, basically no HTML knowledge, visual operation, convenient and intuitive. The disadvantage is that it is not flexible enough, but it is enough for the basic requirements. This article mainly introduces the data collection software developed by Chinese companies. In fact, they are all similar. I have mainly used: Houyi collector and webscraper browser plug-in. Most of these software include free and paid functions. Generally, free is enough. One idea I think is quite positive
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