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index.js
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index.js
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function readTextFile(file, callback) {
var rawFile = new XMLHttpRequest();
rawFile.overrideMimeType("application/json");
rawFile.open("GET", file, true);
rawFile.onreadystatechange = function() {
if (rawFile.readyState === 4 && rawFile.status == "200") {
callback(rawFile.responseText);
}
}
rawFile.send(null);
}
function loadword (){
readTextFile("word/examination-outline.json", function(text)
{
var random = Math.round(Math.random()*114);
var data = JSON.parse(text);
var translate = new Array(1000);
var word = new Array(1000);
for(var i = 0;i <= 114;i++)
{
word[i] = data.word[i];
translate[i] = data.translate[i];
}
document.getElementById("demo").innerHTML = translate[random];
document.getElementById("answertrue").value = word[random];
});
}
//type:success, error, info
//time:ms
function displayAlert(type, data, time)
{
var lunbo=document.createElement("div");
if(type == "success")
{
lunbo.style.backgroundColor = "#009900";
lunbo.id="lunbo";
lunbo.style.position = "absolute";
lunbo.style.width = "200px";
lunbo.style.height = "60px";
lunbo.style.top = "50%";
lunbo.style.left = "50%";
lunbo.style.right = "0";
lunbo.style.bottom = "0";
lunbo.style.transform = "translate(-50%, -50%)";
lunbo.style.color = "white";
lunbo.style.fontSize = "25px";
lunbo.style.borderRadius = "20px";
lunbo.style.textAlign="center";
lunbo.style.lineHeight="60px";
}
else if(type == "error")
{
lunbo.style.backgroundColor = "#990000";
lunbo.id="lunbo";
lunbo.style.position = "absolute";
lunbo.style.width = "200px";
lunbo.style.height = "60px";
lunbo.style.top = "50%";
lunbo.style.left = "50%";
lunbo.style.right = "0";
lunbo.style.bottom = "0";
lunbo.style.transform = "translate(-50%, -50%)";
lunbo.style.color = "white";
lunbo.style.fontSize = "25px";
lunbo.style.borderRadius = "20px";
lunbo.style.textAlign="center";
lunbo.style.lineHeight="60px";
}
else if(type == "info")
{
lunbo.style.backgroundColor = "#e6b800";
lunbo.id="lunbo";
lunbo.style.position = "absolute";
lunbo.style.width = "200px";
lunbo.style.height = "120px";
lunbo.style.top = "50%";
lunbo.style.left = "50%";
lunbo.style.right = "0";
lunbo.style.bottom = "0";
lunbo.style.transform = "translate(-50%, -50%)";
lunbo.style.color = "white";
lunbo.style.fontSize = "20px";
lunbo.style.borderRadius = "20px";
lunbo.style.textAlign="center";
lunbo.style.lineHeight="60px";
}
if(document.getElementById("lunbo")==null)
{
document.body.appendChild(lunbo);
lunbo.innerHTML=data;
setTimeout(function(){document.body.removeChild(lunbo);} ,time);
}
}
function truely()
{
displayAlert("success", "答案正确", 1500);
}
function wrongly()
{
displayAlert("error", "答案错误", 1500);
}
function information()
{
displayAlert("info", "作者 : NoNameGMM 版本 : V1.1.0", 1500);
}
loadword();