How to realize simple Web Calculator with JSP

Editor to share with you how JSP implements a simple web calculator. I hope you will get something after reading this article. Let's discuss it together.

First, construct a simple calculator that can perform "+, -, *, /" operations.

(1) write jsp page, users input two operands and operators through the form, call the page itself to deal with the form, realize the operation logic by calling the instance of SimpleCalculator class, and display the operation result.

(2) implement the following jsp web page calculator:

Second, code implementation

(1) jsp page

First number of calculators: second number:

(2) SimpleCalculator class

Public class SimpleCalculator {/ / define variable private String first;// first number private String second;// second number private String operator;// operator private String result;// operation result / / define set and get method public String getFirst () {return first;} public void setFirst (String first) {this.first = first } public String getSecond () {return second;} public void setSecond (String second) {this.second = second;} public String getOperator () {return operator;} public void setOperator (String operator) {this.operator = operator;} public String getResult () {return result;} public void setResult (String result) {this.result = result }} after reading this article, I believe you have a certain understanding of "how to implement a simple web calculator in JSP". If you want to know more about it, welcome to follow the industry information channel, thank you for reading!