qinlili23333/爱教材下载.user.js

## 爱教材下载.user.js
// ==UserScript==
// @name         爱教材下载猪手
// @namespace    https://qinlili.bid
// @version      0.2
// @description  啊对对对
// @author       琴梨梨
// @match        *://www.itextbook.cn/f/book/bookDetail?*
// @match        *://itextbook.cn/f/book/bookDetail?*
// @icon         http://www.itextbook.cn/static/web/images/favicon.ico
// @grant        none
// @license      WTFPL
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    //共享库
    var SakiProgress = {
        isLoaded: false,
        progres: false,
        pgDiv: false,
        textSpan: false,
        first: false,
        alertMode: false,
        init: function (color) {
            if (!this.isLoaded) {
                this.isLoaded = true;
                console.info("SakiProgress Initializing!\nVersion:1.0.3\nQinlili Tech:Github@qinlili23333");
                this.pgDiv = document.createElement("div");
                this.pgDiv.id = "pgdiv";
                this.pgDiv.style = "z-index:9999;position:fixed;background-color:white;min-height:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);transition:opacity 0.5s;display:none;";
                this.pgDiv.style.opacity = 0;
                this.first = document.body.firstElementChild;
                document.body.insertBefore(this.pgDiv, this.first);
                this.first.style.transition = "margin-top 0.5s"
                this.progress = document.createElement("div");
                this.progress.id = "dlprogress"
                this.progress.style = "position: absolute;top: 0;bottom: 0;left: 0;background-color: #F17C67;z-index: -1;width:0%;transition: width 0.25s ease-in-out,opacity 0.25s,background-color 1s;"
                if (color) {
                    this.setColor(color);
                }
                this.pgDiv.appendChild(this.progress);
                this.textSpan = document.createElement("span");
                this.textSpan.style = "padding-left:4px;font-size:24px;";
                this.textSpan.style.display = "inline-block"
                this.pgDiv.appendChild(this.textSpan);
                var css = ".barBtn:hover{ background-color: #cccccc }.barBtn:active{ background-color: #999999 }";
                var style = document.createElement('style');
                if (style.styleSheet) {
                    style.styleSheet.cssText = css;
                } else {
                    style.appendChild(document.createTextNode(css));
                }
                document.getElementsByTagName('head')[0].appendChild(style);
                console.info("SakiProgress Initialized!");
            } else {
                console.error("Multi Instance Error-SakiProgress Already Loaded!");
            }
        },
        destroy: function () {
            if (this.pgDiv) {
                document.body.removeChild(this.pgDiv);
                this.isLoaded = false;
                this.progres = false;
                this.pgDiv = false;
                this.textSpan = false;
                this.first = false;
                console.info("SakiProgress Destroyed!You Can Reload Later!");
            }
        },
        setPercent: function (percent) {
            if (this.progress) {
                this.progress.style.width = percent + "%";
            } else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        clearProgress: function () {
            if (this.progress) {
                this.progress.style.opacity = 0;
                setTimeout(function () { SakiProgress.progress.style.width = "0%"; }, 500);
                setTimeout(function () { SakiProgress.progress.style.opacity = 1; }, 750);
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        hideDiv: function () {
            if (this.pgDiv) {
                if (this.alertMode) {
                    setTimeout(function () {
                        SakiProgress.pgDiv.style.opacity = 0;
                        SakiProgress.first.style.marginTop = "";
                        setTimeout(function () {
                            SakiProgress.pgDiv.style.display = "none";
                        }, 500);
                    }, 3000);
                } else {
                    this.pgDiv.style.opacity = 0;
                    this.first.style.marginTop = "";
                    setTimeout(function () {
                        SakiProgress.pgDiv.style.display = "none";
                    }, 500);
                }
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        showDiv: function () {
            if (this.pgDiv) {
                this.pgDiv.style.display = "";
                setTimeout(function () { SakiProgress.pgDiv.style.opacity = 1; }, 10);
                this.first.style.marginTop = (this.pgDiv.clientHeight + 8) + "px";
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        setText: function (text) {
            if (this.textSpan) {
                if (this.alertMode) {
                    setTimeout(function () {
                        if (!SakiProgress.alertMode) {
                            SakiProgress.textSpan.innerText = text;
                        }
                    }, 3000);
                } else {
                    this.textSpan.innerText = text;
                }
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        setTextAlert: function (text) {
            if (this.textSpan) {
                this.textSpan.innerText = text;
                this.alertMode = true;
                setTimeout(function () { this.alertMode = false; }, 3000);
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        setColor: function (color) {
            if (this.progress) {
                this.progress.style.backgroundColor = color;
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        addBtn: function (img) {
            if (this.pgDiv) {
                var btn = document.createElement("img");
                btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
                btn.className = "barBtn"
                btn.src = img;
                this.pgDiv.appendChild(btn);
                return btn;
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        },
        removeBtn: function (btn) {
            if (this.pgDiv) {
                if (btn) {
                    this.pgDiv.removeChild(btn);
                }
            }
            else {
                console.error("Not Initialized Error-Please Call `init` First!");
            }
        }
    }
    var XHRDL = {
        isLoaded: false,
        dlList: [],
        listBtn: false,
        listDiv: false,
        listBar: false,
        clsBtn: false,
        init: function () {
            if (!this.isLoaded) {
                console.info("WebXHRDL Initializing!\nVersion:Preview0.1.0\nQinlili Tech:Github@qinlili23333")
                try {
                    SakiProgress.init();
                } catch{
                    console.error("Initialize Failed!Is SakiProgress Loaded?")
                    return false;
                }
                this.isLoaded = true;
                this.listBtn = SakiProgress.addBtn("data:image/svg+xml;base64,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");
                this.listBtn.onclick = XHRDL.showList;
                SakiProgress.showDiv();
                SakiProgress.setText("初始化下载器...");
                SakiProgress.setPercent(20);
                this.listDiv = document.createElement("div");
                this.listDiv.style = "z-index:9999;position:fixed;background-color:white;width:auto;margin-top:32px;height:100%;left:0px;right:0px;top:0px;transition:opacity 0.5s;display:none;";
                this.listDiv.style.opacity = 0;
                this.listBar = document.createElement("div");
                this.listBar.style = "z-index:10000;position:fixed;background-color:white;min-height:32px;margin-top:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);";
                this.listDiv.appendChild(this.listBar);
                document.body.appendChild(this.listDiv);
                var btn = document.createElement("img");
                btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
                btn.className = "barBtn"
                btn.src = "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGVuYWJsZS1iYWNrZ3JvdW5kPSJuZXcgMCAwIDI0IDI0IiBoZWlnaHQ9IjQ4cHgiIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjQ4cHgiIGZpbGw9IiMwMDAwMDAiPjxyZWN0IGZpbGw9Im5vbmUiIGhlaWdodD0iMjQiIHdpZHRoPSIyNCIvPjxwYXRoIGQ9Ik0yMiwzLjQxbC01LjI5LDUuMjlMMjAsMTJoLThWNGwzLjI5LDMuMjlMMjAuNTksMkwyMiwzLjQxeiBNMy40MSwyMmw1LjI5LTUuMjlMMTIsMjB2LThINGwzLjI5LDMuMjlMMiwyMC41OUwzLjQxLDIyeiIvPjwvc3ZnPg==";
                this.listBar.appendChild(btn);
                btn.onclick = function () {
                    XHRDL.hideList();
                }
                this.clsBtn = btn;
                SakiProgress.setPercent(100);
                SakiProgress.setText("下载器已加载！");
                setTimeout(function () { SakiProgress.clearProgress(); SakiProgress.hideDiv(); }, 1000);
                console.info("WebXHRDL Initialized!");
            } else {
                console.error("Multi Instance Error-WebXHRDL Already Loaded!")
            }
        },
        destroy: function (saki) {
            if (this.isLoaded) {
                if (saki) {
                    SakiProgress.destroy();
                }
                this.isLoaded = false;
                this.dlList = [];
                this.listBtn = false;
                this.listDiv = false;
                this.listBar = false;
                this.clsBtn = false;
                console.info("WebXHRDL Destroyed!You Can Reload Later!");
            }
        },
        showList: function () {
            if (XHRDL.isLoaded) {
                XHRDL.listDiv.style.display = "";
                setTimeout(function () { XHRDL.listDiv.style.opacity = 1; }, 10);
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        hideList: function () {
            if (XHRDL.isLoaded) {
                XHRDL.listDiv.style.opacity = 0;
                setTimeout(function () { XHRDL.listDiv.style.display = "none"; }, 500);
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        saveTaskList: function () {
            if (XHRDL.isLoaded) {
                var storage = window.localStorage;
                storage.setItem("XHRDL_List", JSON.stringify(this.dlList));
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        loadTaskList: function () {
            if (XHRDL.isLoaded) {
                var storage = window.localStorage;
                this.dlList = JSON.parse(storage.getItem("XHRDL_List"));
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        newTask: function (url, name) {
            if (this.isLoaded) {
                var list = this.dlList;
                list[list.length] = {
                    taskUrl: url,
                    fileName: name
                }
                SakiProgress.showDiv();
                SakiProgress.setText("已添加新任务：" + name);
                if (!this.DLEngine.isWorking) {
                    this.DLEngine.start();
                }
            } else {
                console.error("Not Initialized Error-Please Call `init` First!")
            }
        },
        DLEngine: {
            isWorking: false,
            start: function () {
                if (!this.isWorking) {
                    console.info("Start WebXHRDL Engine...\nChecking Tasks...");
                    this.isWorking = true;
                    SakiProgress.showDiv();
                    this.dlFirstFile();
                } else {
                    console.error("WebXHRDL Engine Already Started!");
                }
            },
            stop: function () {
                this.isWorking = false;
                SakiProgress.hideDiv();
                SakiProgress.setText("");
                if (XHRDL.dlList[0]) {
                    console.info("All Tasks Done!WebXHRDL Engine Stopped!");
                } else {
                    console.info("WebXHRDL Engine Stopped!Tasks Paused!");
                }
            },
            dlFirstFile: function () {
                var taskInfo = XHRDL.dlList[0];
                SakiProgress.showDiv();
                SakiProgress.setPercent(0);
                SakiProgress.setText("正在下载" + taskInfo.fileName);
                var xhr = new XMLHttpRequest();
                xhr.responseType = "blob";
                xhr.onprogress = event => {
                    if (event.loaded && event.total) {
                        var percent = String(Number(event.loaded) / Number(event.total) * 100).substring(0, 4);
                        SakiProgress.setText(taskInfo.fileName + "已下载" + percent + "%");
                        SakiProgress.setPercent(percent)
                    }
                };
                xhr.onload = event => {
                    if (xhr.readyState === 4) {
                        if (xhr.status === 200) {
                            var bloburl = URL.createObjectURL(xhr.response);
                            SakiProgress.setText("正在写出" + taskInfo.fileName);
                            var a = document.createElement('a');
                            var filename = taskInfo.fileName;
                            a.href = bloburl;
                            a.download = filename;
                            a.click();
                            window.URL.revokeObjectURL(bloburl);
                            SakiProgress.clearProgress();
                            XHRDL.dlList.splice(0, 1);
                            XHRDL.DLEngine.checkNext();
                        } else {
                            //TODO:支持更多特殊状态处理
                            SakiProgress.setTextAlert(taskInfo.fileName + "暂不支持下载，跳过");
                            XHRDL.dlList.splice(0, 1);
                            XHRDL.DLEngine.checkNext();
                        }
                    }
                }
                xhr.onerror = function (e) {
                    //TODO:支持处理不同类别出错
                    if(!taskInfo.errorRetry){
                        SakiProgress.setTextAlert(taskInfo.fileName + "下载失败，置入列尾等待重试");
                        taskInfo.errorRetry = true;
                        var list = XHRDL.dlList;
                        list[list.length] = taskInfo;
                    }else{
                        SakiProgress.setTextAlert(taskInfo.fileName + "下载又失败了，放弃");
                    }
                    XHRDL.dlList.splice(0, 1);
                    XHRDL.DLEngine.checkNext();
                }
                xhr.open('GET', taskInfo.taskUrl,true)
                xhr.send()
            },
            checkNext: function () {
                if (XHRDL.dlList[0]) {
                    this.dlFirstFile();
                } else {
                    this.stop();
                }
            }
        }
    }

    XHRDL.init();
    document.getElementsByClassName("status-2")[0].innerText="下载"
    document.getElementsByClassName("status")[0].onclick=function(){
        var functionStr=window["authorityToJudge"].toString();
        var dlUrl=document.location.origin+"/f/cdf/file?"+functionStr.substr(functionStr.indexOf("cdf="),functionStr.indexOf("&read")-functionStr.indexOf("cdf=")).replace("cdf=","file=")
        XHRDL.newTask(dlUrl,document.getElementsByClassName("book_name")[0].title+".pdf")
    }
})();
	// ==UserScript==
	// @name 爱教材下载猪手
	// @namespace https://qinlili.bid
	// @version 0.2
	// @description 啊对对对
	// @author 琴梨梨
	// @match ://www.itextbook.cn/f/book/bookDetail?
	// @match ://itextbook.cn/f/book/bookDetail?
	// @icon http://www.itextbook.cn/static/web/images/favicon.ico
	// @grant none
	// @license WTFPL
	// @run-at document-end
	// ==/UserScript==

	(function() {
	'use strict';

	//共享库
	var SakiProgress = {
	isLoaded: false,
	progres: false,
	pgDiv: false,
	textSpan: false,
	first: false,
	alertMode: false,
	init: function (color) {
	if (!this.isLoaded) {
	this.isLoaded = true;
	console.info("SakiProgress Initializing!\nVersion:1.0.3\nQinlili Tech:Github@qinlili23333");
	this.pgDiv = document.createElement("div");
	this.pgDiv.id = "pgdiv";
	this.pgDiv.style = "z-index:9999;position:fixed;background-color:white;min-height:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);transition:opacity 0.5s;display:none;";
	this.pgDiv.style.opacity = 0;
	this.first = document.body.firstElementChild;
	document.body.insertBefore(this.pgDiv, this.first);
	this.first.style.transition = "margin-top 0.5s"
	this.progress = document.createElement("div");
	this.progress.id = "dlprogress"
	this.progress.style = "position: absolute;top: 0;bottom: 0;left: 0;background-color: #F17C67;z-index: -1;width:0%;transition: width 0.25s ease-in-out,opacity 0.25s,background-color 1s;"
	if (color) {
	this.setColor(color);
	}
	this.pgDiv.appendChild(this.progress);
	this.textSpan = document.createElement("span");
	this.textSpan.style = "padding-left:4px;font-size:24px;";
	this.textSpan.style.display = "inline-block"
	this.pgDiv.appendChild(this.textSpan);
	var css = ".barBtn:hover{ background-color: #cccccc }.barBtn:active{ background-color: #999999 }";
	var style = document.createElement('style');
	if (style.styleSheet) {
	style.styleSheet.cssText = css;
	} else {
	style.appendChild(document.createTextNode(css));
	}
	document.getElementsByTagName('head')[0].appendChild(style);
	console.info("SakiProgress Initialized!");
	} else {
	console.error("Multi Instance Error-SakiProgress Already Loaded!");
	}
	},
	destroy: function () {
	if (this.pgDiv) {
	document.body.removeChild(this.pgDiv);
	this.isLoaded = false;
	this.progres = false;
	this.pgDiv = false;
	this.textSpan = false;
	this.first = false;
	console.info("SakiProgress Destroyed!You Can Reload Later!");
	}
	},
	setPercent: function (percent) {
	if (this.progress) {
	this.progress.style.width = percent + "%";
	} else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	clearProgress: function () {
	if (this.progress) {
	this.progress.style.opacity = 0;
	setTimeout(function () { SakiProgress.progress.style.width = "0%"; }, 500);
	setTimeout(function () { SakiProgress.progress.style.opacity = 1; }, 750);
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	hideDiv: function () {
	if (this.pgDiv) {
	if (this.alertMode) {
	setTimeout(function () {
	SakiProgress.pgDiv.style.opacity = 0;
	SakiProgress.first.style.marginTop = "";
	setTimeout(function () {
	SakiProgress.pgDiv.style.display = "none";
	}, 500);
	}, 3000);
	} else {
	this.pgDiv.style.opacity = 0;
	this.first.style.marginTop = "";
	setTimeout(function () {
	SakiProgress.pgDiv.style.display = "none";
	}, 500);
	}
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	showDiv: function () {
	if (this.pgDiv) {
	this.pgDiv.style.display = "";
	setTimeout(function () { SakiProgress.pgDiv.style.opacity = 1; }, 10);
	this.first.style.marginTop = (this.pgDiv.clientHeight + 8) + "px";
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	setText: function (text) {
	if (this.textSpan) {
	if (this.alertMode) {
	setTimeout(function () {
	if (!SakiProgress.alertMode) {
	SakiProgress.textSpan.innerText = text;
	}
	}, 3000);
	} else {
	this.textSpan.innerText = text;
	}
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	setTextAlert: function (text) {
	if (this.textSpan) {
	this.textSpan.innerText = text;
	this.alertMode = true;
	setTimeout(function () { this.alertMode = false; }, 3000);
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	setColor: function (color) {
	if (this.progress) {
	this.progress.style.backgroundColor = color;
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	addBtn: function (img) {
	if (this.pgDiv) {
	var btn = document.createElement("img");
	btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
	btn.className = "barBtn"
	btn.src = img;
	this.pgDiv.appendChild(btn);
	return btn;
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	},
	removeBtn: function (btn) {
	if (this.pgDiv) {
	if (btn) {
	this.pgDiv.removeChild(btn);
	}
	}
	else {
	console.error("Not Initialized Error-Please Call `init` First!");
	}
	}
	}
	var XHRDL = {
	isLoaded: false,
	dlList: [],
	listBtn: false,
	listDiv: false,
	listBar: false,
	clsBtn: false,
	init: function () {
	if (!this.isLoaded) {
	console.info("WebXHRDL Initializing!\nVersion:Preview0.1.0\nQinlili Tech:Github@qinlili23333")
	try {
	SakiProgress.init();
	} catch{
	console.error("Initialize Failed!Is SakiProgress Loaded?")
	return false;
	}
	this.isLoaded = true;
	this.listBtn = SakiProgress.addBtn("data:image/svg+xml;base64,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");
	this.listBtn.onclick = XHRDL.showList;
	SakiProgress.showDiv();
	SakiProgress.setText("初始化下载器...");
	SakiProgress.setPercent(20);
	this.listDiv = document.createElement("div");
	this.listDiv.style = "z-index:9999;position:fixed;background-color:white;width:auto;margin-top:32px;height:100%;left:0px;right:0px;top:0px;transition:opacity 0.5s;display:none;";
	this.listDiv.style.opacity = 0;
	this.listBar = document.createElement("div");
	this.listBar.style = "z-index:10000;position:fixed;background-color:white;min-height:32px;margin-top:32px;width:auto;height:32px;left:0px;right:0px;top:0px;box-shadow:0px 2px 2px 1px rgba(0, 0, 0, 0.5);";
	this.listDiv.appendChild(this.listBar);
	document.body.appendChild(this.listDiv);
	var btn = document.createElement("img");
	btn.style = "display: inline-block;right:0px;float:right;height:32px;width:32px;transition:background-color 0.2s;"
	btn.className = "barBtn"
	btn.src = "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGVuYWJsZS1iYWNrZ3JvdW5kPSJuZXcgMCAwIDI0IDI0IiBoZWlnaHQ9IjQ4cHgiIHZpZXdCb3g9IjAgMCAyNCAyNCIgd2lkdGg9IjQ4cHgiIGZpbGw9IiMwMDAwMDAiPjxyZWN0IGZpbGw9Im5vbmUiIGhlaWdodD0iMjQiIHdpZHRoPSIyNCIvPjxwYXRoIGQ9Ik0yMiwzLjQxbC01LjI5LDUuMjlMMjAsMTJoLThWNGwzLjI5LDMuMjlMMjAuNTksMkwyMiwzLjQxeiBNMy40MSwyMmw1LjI5LTUuMjlMMTIsMjB2LThINGwzLjI5LDMuMjlMMiwyMC41OUwzLjQxLDIyeiIvPjwvc3ZnPg==";
	this.listBar.appendChild(btn);
	btn.onclick = function () {
	XHRDL.hideList();
	}
	this.clsBtn = btn;
	SakiProgress.setPercent(100);
	SakiProgress.setText("下载器已加载！");
	setTimeout(function () { SakiProgress.clearProgress(); SakiProgress.hideDiv(); }, 1000);
	console.info("WebXHRDL Initialized!");
	} else {
	console.error("Multi Instance Error-WebXHRDL Already Loaded!")
	}
	},
	destroy: function (saki) {
	if (this.isLoaded) {
	if (saki) {
	SakiProgress.destroy();
	}
	this.isLoaded = false;
	this.dlList = [];
	this.listBtn = false;
	this.listDiv = false;
	this.listBar = false;
	this.clsBtn = false;
	console.info("WebXHRDL Destroyed!You Can Reload Later!");
	}
	},
	showList: function () {
	if (XHRDL.isLoaded) {
	XHRDL.listDiv.style.display = "";
	setTimeout(function () { XHRDL.listDiv.style.opacity = 1; }, 10);
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	hideList: function () {
	if (XHRDL.isLoaded) {
	XHRDL.listDiv.style.opacity = 0;
	setTimeout(function () { XHRDL.listDiv.style.display = "none"; }, 500);
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	saveTaskList: function () {
	if (XHRDL.isLoaded) {
	var storage = window.localStorage;
	storage.setItem("XHRDL_List", JSON.stringify(this.dlList));
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	loadTaskList: function () {
	if (XHRDL.isLoaded) {
	var storage = window.localStorage;
	this.dlList = JSON.parse(storage.getItem("XHRDL_List"));
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	newTask: function (url, name) {
	if (this.isLoaded) {
	var list = this.dlList;
	list[list.length] = {
	taskUrl: url,
	fileName: name
	}
	SakiProgress.showDiv();
	SakiProgress.setText("已添加新任务：" + name);
	if (!this.DLEngine.isWorking) {
	this.DLEngine.start();
	}
	} else {
	console.error("Not Initialized Error-Please Call `init` First!")
	}
	},
	DLEngine: {
	isWorking: false,
	start: function () {
	if (!this.isWorking) {
	console.info("Start WebXHRDL Engine...\nChecking Tasks...");
	this.isWorking = true;
	SakiProgress.showDiv();
	this.dlFirstFile();
	} else {
	console.error("WebXHRDL Engine Already Started!");
	}
	},
	stop: function () {
	this.isWorking = false;
	SakiProgress.hideDiv();
	SakiProgress.setText("");
	if (XHRDL.dlList[0]) {
	console.info("All Tasks Done!WebXHRDL Engine Stopped!");
	} else {
	console.info("WebXHRDL Engine Stopped!Tasks Paused!");
	}
	},
	dlFirstFile: function () {
	var taskInfo = XHRDL.dlList[0];
	SakiProgress.showDiv();
	SakiProgress.setPercent(0);
	SakiProgress.setText("正在下载" + taskInfo.fileName);
	var xhr = new XMLHttpRequest();
	xhr.responseType = "blob";
	xhr.onprogress = event => {
	if (event.loaded && event.total) {
	var percent = String(Number(event.loaded) / Number(event.total) * 100).substring(0, 4);
	SakiProgress.setText(taskInfo.fileName + "已下载" + percent + "%");
	SakiProgress.setPercent(percent)
	}
	};
	xhr.onload = event => {
	if (xhr.readyState === 4) {
	if (xhr.status === 200) {
	var bloburl = URL.createObjectURL(xhr.response);
	SakiProgress.setText("正在写出" + taskInfo.fileName);
	var a = document.createElement('a');
	var filename = taskInfo.fileName;
	a.href = bloburl;
	a.download = filename;
	a.click();
	window.URL.revokeObjectURL(bloburl);
	SakiProgress.clearProgress();
	XHRDL.dlList.splice(0, 1);
	XHRDL.DLEngine.checkNext();
	} else {
	//TODO:支持更多特殊状态处理
	SakiProgress.setTextAlert(taskInfo.fileName + "暂不支持下载，跳过");
	XHRDL.dlList.splice(0, 1);
	XHRDL.DLEngine.checkNext();
	}
	}
	}
	xhr.onerror = function (e) {
	//TODO:支持处理不同类别出错
	if(!taskInfo.errorRetry){
	SakiProgress.setTextAlert(taskInfo.fileName + "下载失败，置入列尾等待重试");
	taskInfo.errorRetry = true;
	var list = XHRDL.dlList;
	list[list.length] = taskInfo;
	}else{
	SakiProgress.setTextAlert(taskInfo.fileName + "下载又失败了，放弃");
	}
	XHRDL.dlList.splice(0, 1);
	XHRDL.DLEngine.checkNext();
	}
	xhr.open('GET', taskInfo.taskUrl,true)
	xhr.send()
	},
	checkNext: function () {
	if (XHRDL.dlList[0]) {
	this.dlFirstFile();
	} else {
	this.stop();
	}
	}
	}
	}

	XHRDL.init();
	document.getElementsByClassName("status-2")[0].innerText="下载"
	document.getElementsByClassName("status")[0].onclick=function(){
	var functionStr=window["authorityToJudge"].toString();
	var dlUrl=document.location.origin+"/f/cdf/file?"+functionStr.substr(functionStr.indexOf("cdf="),functionStr.indexOf("&read")-functionStr.indexOf("cdf=")).replace("cdf=","file=")
	XHRDL.newTask(dlUrl,document.getElementsByClassName("book_name")[0].title+".pdf")
	}
	})();