How to solve the cross domain problem of mobile phone accessing the web in the web development scenario

1. Host computer setup web service

download tomcat
Official website ：https://tomcat.apache.org/download-10.cgi ( The official website is unstable and often can't be downloaded . You can look for resources )

2. Release web service

stay tomcat/webapps/ROOT Place under directory web Program
start-up tomcat Folder bin In the catalog startup.sh
Catalog ：/tomcat/bin/startup.sh

3. Verify whether the service is started successfully

Open the computer browser to access 127.0.0.1:8080（ The default port is set to 8080）, If you can access the home page , It should be that the service is successfully built , However, if the browser is not set to allow cross domain access, access failure may occur .

4. establish chrome-command-line file

Create a file , edit ：
chromium-browser --disable-web-security --user-data-dir="/data/user/0/com.android.chrome/app_chrome/Default"

5. Import the file into the phone

adopt adb command , Put the above 4 The file created in step is pushed to the mobile phone /data/local/tmp Under the table of contents .
adb push route /chrome-command-line /data/local/tmp

6.chrome Browser settings

Browser access chrome://flags, Turn on enable-command-line-on-non-rooted-devices Set up . Manually stop the application from the settings and restart .
Later visit chrome://version, see Command line , See if the command appears ：--disable-web-security. If it appears, it means ok 了