When the parameter value passed by url contains &, the solution to the problem of url automatically truncation

1. Problem elicitation

When doing an announcement browsing function, as long as a parameter value passed through url contains & or, a problem occurs - the value of the variable cannot be displayed.

Problem positioning result: When encountering &, the value of this parameter will be automatically truncated, resulting in incorrect parameter value transmission.

2. Solve the problem

The following tests are done in the java code:

String charEncode = java.net.URLEncoder.encode("&");

System.out.println("character& translated value is: " + charEncode ); //Output: %26

Therefore, the solution appears -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

eg:

var url = "page.jsp?para1=a&b"

Make the following modifications:

var url = "page.jsp?para1=a%26b";

At this point, the problem has been successfully solved. n_n

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