var app =new PIXI.Application(290,440);
    document.body.appendChild(app.view);

    var bg = new PIXI.Sprite.fromImage(“res/lianxi/ji/bg.png”);
    app.stage.addChild(bg);

    var num1 = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq12.png”);
    num1.x = 50;
    num1.y = 150;
    num1.anchor.set(0.5,0.5);
    app.stage.addChild(num1);

    var num2 = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq13.png”);
    num2.x = 110;
    num2.y = 150;
    num2.anchor.set(0.5,0.5);
    app.stage.addChild(num2);

    var addBtn = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq11.png”);
    addBtn.x = 230;
    addBtn.y = 210;
    addBtn.anchor.set(0.5,0.5);
    app.stage.addChild(addBtn);

    var minusBtn = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq7.png”);
    minusBtn.x = 230;
    minusBtn.y = 270;
    minusBtn.anchor.set(0.5,0.5);
    app.stage.addChild(minusBtn);

    var equalBtn = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq15.png”);
    equalBtn.x = 230;
    equalBtn.y = 360;
    equalBtn.anchor.set(0.5,0.5);
    app.stage.addChild(equalBtn);

    var emptyBtn = new PIXI.Sprite.fromImage(“res/lianxi/ji/jsq0.png”);
    emptyBtn.x = 50;
    emptyBtn.y = 390;
    emptyBtn.anchor.set(0.5,0.5);
    app.stage.addChild(emptyBtn);

    var numtext = new PIXI.Text(“”);
    numtext.anchor.set(0.5,0.5);
    app.stage.addChild(numtext);
    numtext.x = 145;
    numtext.y = 70;

    function updata(){
    numtext.text = number1+operator+number2;
    }

    //代码编写区域
    var number1 = “”;
    var number2 = “”;
    var operator = “”;
    var result = “”;
    // var string=[];
    //按钮1
    num1.interactive = true;
    num1.on(“click”,addnum1);
    function addnum1(){
    if(number1===””){
    number1=1;
    }else if(operator===”+”||operator===”-“){
    number2=1;
    }
    // string[0]=number1;
    updata();
    // console.log(string[0]);
    }

    //按钮2
    num2.interactive = true;
    num2.on(“click”,addnum2);
    function addnum2(){
    if(number1===””){
    number1=2;
    }else if(operator===”+”||operator===”-“){
    number2=2;
    }
    // string[1]=number2;
    updata();
    }

    //加号
    addBtn.interactive = true;
    addBtn.on(“click”,Add);
    function Add(){
    if(number1==1||number1==2){
    operator=”+”;
    }else if(operator===”+”){
    operator=”-“;
    }
    // string[3]=operator;
    updata();
    }

    //减号
    minusBtn.interactive = true;
    minusBtn.on(“click”,Minus);
    function Minus(){
    if(number1==1||number1==2){
    operator=”-“;
    }else if(operator===”-“){
    operator=”+”;
    }
    // string[3]=operator;
    updata();
    }

    //等号
    equalBtn.interactive = true;
    equalBtn.on(“click”,Equal);
    function Equal(){
    if(number1!==””&&number2!==””&&operator!==””){
    if(operator===”+”){
    result=number1+number2;
    }else if(operator===”-“){
    result=number1-number2;
    }


    numtext.text=number1+operator+number2+”=”+result;
    }


    }

    //清空
    emptyBtn.interactive = true;
    emptyBtn.on(“click”,Empty);
    function Empty(){
    number1=””;
    number2=””;
    operator=””;
    result=””;
    updata();
    }