一个练习日语五十音图的小工具 

<html>
    <head>
        <title>五十音练习</title>
        <style type="text/css">
            label {
                font-size:50px;
                font-face:微软雅黑;
            }
        </style>
        <script type="text/javascript">
            var element = ["あ","い","う","え","お","か","き","く","け","こ","さ","し","す","せ","そ","た","ち","つ","て","と","な","に","ぬ","ね","の","は","ひ","ふ","へ","ほ","ま","み","む","め","も","や","ゆ","よ","ら","り","る","れ","ろ","わ","を","ん"];
            var max = 45;
            var min = 0;
            var type = 0;
            var shuxu = 0;
            var daoxu = 0;
                
            function test() {
                var test_request_node = document.getElementById("test_request");
                var test_answer_node = document.getElementById("test_answer");
                var test_dscription_node = document.getElementById("test_dscription");
                
                var test_request = test_request_node.innerText;
                var test_answer = test_answer_node.value;
                test_request = getNextElement();
                test_request_node.innerText = test_request;
                test_dscription_node.innerText = "请输入答案";
            }
            function getNextElement(){
                var test_request_node = document.getElementById("test_request");
                var test_answer_node = document.getElementById("test_answer");
                var test_dscription_node = document.getElementById("test_dscription");
                
                if(type==0){
                    //顺序
                    if(shuxu<max){
                        var e = element[shuxu];
                        shuxu++;
                        return e;
                    }else if(shuxu==max){
                        var e = element[shuxu];
                        test_dscription_node.innerText = "最后一个";
                        return e;
                    }else{
                        var e = element[shuxu-1];
                        test_dscription_node.innerText = "练习完毕";
                        return e;
                    }
                }else if(type==1){
                    //倒序
                    if(daoxu<max){
                        var e = element[max-daoxu];
                        daoxu++;
                        return e;
                    }else if(daoxu==max){
                        var e = element[max-daoxu];
                        test_dscription_node.innerText = "最后一个";
                        return e;
                    }else{
                        var e = element[max-daoxu+1];
                        test_dscription_node.innerText = "练习完毕";
                        return e;
                    }
                    
                }else if(type==2){
                    //随机
                    return element[getRandom(max,min)];
                }
            }
            function input_answer(){
                var test_request_node = document.getElementById("test_request");
                var test_answer_node = document.getElementById("test_answer");
                var test_dscription_node = document.getElementById("test_dscription");
                
                var test_request = test_request_node.innerText;
                var test_answer = test_answer_node.value;
                if(""==test_answer.trim()){
                    test_dscription_node.innerText = "请输入答案";
                }else{
                    if(test_answer.trim()==test_request){
                        test_dscription_node.innerText = "正确，下一个";
                        
                        test_request_node.innerText = getNextElement();
                        
                        test_answer_node.value = "";
                    }else{
                        test_dscription_node.innerText = "错误";
                    }
                }
            }
            function getRandom(max,min){
                
                return Math.round(Math.random() * (max - min) + min);
            }
 
            document.onkeydown = function kd(){
                if(event.keyCode ==13){
                    input_answer();
                }
            }
            
            function paixu(t){
                type = t;
                shuxu = 0;
                daoxu = 0;
                var b_0 = document.getElementById("b_0");
                var b_1 = document.getElementById("b_1");
                var b_2 = document.getElementById("b_2");
                if(t==0){
                    b_0.setAttribute("style","color:#CD9B1D;");
                    b_1.setAttribute("style","color:black;");
                    b_2.setAttribute("style","color:black;");
                }else if(t==1){
                    b_0.setAttribute("style","color:black;");
                    b_1.setAttribute("style","color:#CD9B1D;");
                    b_2.setAttribute("style","color:black;");
                }else if(t==2){
                    b_0.setAttribute("style","color:black;");
                    b_1.setAttribute("style","color:black;");
                    b_2.setAttribute("style","color:#CD9B1D;");
                }
                
                test();
            }
            
            window.onload=test;
        </script>
    </head>
    <body >
        <div align="center" style="margin-top:80px">
            <label id="test_request" ></label>
        </div>
        <div align="center" style="margin-top:20px">
            <input type="button" value="顺序" style="color:#CD9B1D;" onclick="paixu(0)" id="b_0"/>
            <input type="button" value="倒序" style="margin-left:5px" onclick="paixu(1)" id="b_1"/>
            <input type="button" value="随机" style="margin-left:5px" onclick="paixu(2)" id="b_2"/>
        </div>
        <div align="center" style="margin-top:20px">
            <span id="test_dscription" style="size:18px;"></span>
        </div>
        <div align="center" style="margin-top:20px">
            <input type="text" id="test_answer" style="font-size:50px;width:80px;" />
        </div>
        
    </body>
</html>

 

posted @ 2017-11-02 16:34  miss薯片  阅读(270)  评论(0)    收藏  举报