The best-selling 3-year Python distributed crawler course Scrapy builds a search engine

The best-selling 3-year Python distributed crawler course Scrapy builds a search engine

download: Scrapy, the best-selling 3-year Python distributed crawler course, builds a search engine

What era is the future? It's the age of data! Data analysis services, Internet finance, data modeling, natural language processing, medical case analysis...More and more work will be done based on data, and crawlers are the most important way to quickly obtain data. Compared with other languages, Python Crawlers are simpler and more efficient.
Suitable for the crowd.
Suitable for
students who are interested in crawlers and want to do big data development but cannot find data . Students who don t know how to build a stable and reliable distributed crawler
want to build a search engine but don t know how to start.
Technical reserves Requirements
Have a certain foundation of native crawlers.
Understand front-end pages, object-oriented concepts, computer network protocols and database knowledge
package com.kukudeyu.hotelsystem;
public class Room {
private int id;//room number
private String type;//room type
private boolean status;//Room status: true means leisure, false means occupancy
public Room() {
}
public Room(int id, String type, boolean status) {
this.id = id;
this.type = type; this.status
= status ;
}
public int getId() {
return id; public void setId(int id) {
}

this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public boolean getStatus() {
return status;
}
public void setStatus(boolean status) {
this.status = status;
}
/*

[

package com.kukudeyu.hotelsystem;
public class Hotel {
private Room[][] rooms;//Use a two-dimensional array to create an array of hotel rooms
/

Use the structure method to stop the hotel room layout operation. Use the
array traversal, create the hotel room object and put it in the hotel room array
.
first floor is for single world, the second floor is for double world, and the third floor is presidential suite

/
public Hotel() {
rooms = new Room[3][10];
for (int i = 0; i <rooms.length; i++) {
for (int j = 0; j <rooms[i].length; j++ ) {
if (i == 0) {
rooms[i][j] = new Room((i + 1)

100 + j + 1, "single life", true);
} else if (i == 1) {
rooms[i][j] = new Room((i + 1)

100 + j + 1, "Double World", true);
} else if (i == 2) {
rooms[i][j] = new Room((i + 1)

100 + j + 1, "Presidential Suite", true);
}
}
}
}
/

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