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index.html
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
body,h2 { margin:0;}
body,input,select { font-size:14px;font-family:"宋体",tahoma,arial;}
h2 { width:750px;height:50px;margin:0 0;color:red;border:1px solid gray;}
h2 span { width:374px;height:50px;line-height:50px;text-align:center;float:left;}
ul li.colmode { float:left; width:200px; font-size:14px; margin:0 0; padding: 0; height: 20px; list-style-type: none;}
ul li { float:left; width:150px; font-size:14px; margin:0 0; padding: 0; height: 20px; list-style-type: none;}
#tab .tab { color:yellow;background-color:#999;}
#ct div { width:750px;height:120px;margin:0 0;border:1px solid blue;display:none;}
#ct .ct { display:block; float:center;}
#act div { width:750px;height:30px;margin:0 0;border:1px solid blue;display:none;}
#act .act { display:block; float:center;}
table { table-layout:fixed; empty-cells:show; margin:auto auto; page-break-after:always;}
td { height:80px; width:150px;text-align:"left";align:"left";font-size:24px;font-family:"宋体", arial;}
@media print {
@page print_section {
size: 210mm 297mm;
margin: 10mm 10mm 5mm 5mm;
}
div.print_section {
page:print_section;
}
}
</style>
</head>
<body>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jQuery.print.js"></script>
<script type="text/javascript" src="js/jquery.base64.js"></script>
<script type="text/javascript" src="js/libs/FileSaver/FileSaver.min.js"></script>
<!---
<script type="text/javascript" src="js/libs/jsPDF/jspdf.min.js"></script>
<script type="text/javascript" src="js/libs/jsPDF-AutoTable/jspdf.plugin.autotable.js"></script>
<script type="text/javascript" src="js/pdfmake/pdfmake.js"></script>
<script type="text/javascript" src="js/pdfmake/vfs_fonts.js"></script>
---!>
<script type="text/javascript" src="js/tableExport.js"></script>
<script type="text/javascript">
/* Generate integer that in [m,n], if m > n return 0 */
function rand(m,n)
{
if (m > n)
return 0;
else
return Math.round(Math.random() * (n - m) + m);
}
var modes = [
["add_1_1", "一位数加一位数"],
["addc_2_2", "两位数进位加法"],
["add_2_2", "两位数不进位加"],
["subc_2_2", "两位数退位减法"],
["sub_2_2", "两位数不退位减"],
["add_1_2", "一位数加两位数"],
["add_2_1", "两位数加一位数"],
["sub_2_1", "两位数减一位数"],
["mul_1_1", "一位数乘一位数"],
["addmul_2_1_1", "两位数加一位数乘"],
["muladd_1_1_2", "一位数乘加两位数"],
["mulsub_1_1_2", "一位数乘减两位数"],
["submul_2_1_1", "两位数减一位数乘"],
["sub9", "减数个位为9"],
["sub012", "减数个位为012"],
["add012", "加数个位为012"],
["addn_2_2", "特殊非进位加"],
["wrong", "历史错题"],
];
var wrong_issues = [
[1,46,'-',31,15],
[1,43,'+',40,83],
[1,27,'+',30,57],
[1,49,'+',30,79],
[1,56,'-',21,35],
[1,97,'-',59,38],
[2,6,'x',5,'-',29,1],
[1,76,'-',59,17],
[2,8,'x',6,'-',12,36],
[2,45,'+',2,'x',6,57],
[2,42,'+',2,'x',3,48],
[1,63,'+',10,73],
[1,62,'+',16,78]
];
var current_wrong = 0;
/* randomly generate one issue of give type */
function generate_issue(type)
{
var i, j;
var issue = new Object();
// default 1 operator
issue.op_n = 1;
issue.op = new Array();
issue.opr = new Array();
switch (type) {
case 'add_1_1':
i = rand(1,9);
j = rand(1,9);
issue.opr[0] = i;
issue.op[0] = '+';
issue.opr[1] = j;
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'addc_2_2':
i = rand(1,7);
j = rand(1,9);
issue.opr[0] = i * 10 + j;
issue.op[0] = '+';
issue.opr[1] = rand(1,8 - i) * 10 + rand(10 - j, 9);
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'add_2_2':
i = rand(1,8);
j = rand(0,9);
issue.opr[0] = i * 10 + j;
issue.op[0] = '+';
issue.opr[1] = rand(1, 9 - i) * 10 + rand(0, 9-j);
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'subc_2_2':
i = rand(2,9);
j = rand(0,8);
issue.opr[0] = i * 10 + j;
issue.op[0] = '-';
issue.opr[1] = rand(1, i - 1) * 10 + rand(j+1, 9);
issue.result = issue.opr[0] - issue.opr[1];
break;
case 'sub_2_2':
i = rand(1,9);
j = rand(0,9);
issue.opr[0] = i * 10 + j;
issue.op[0] = '-';
issue.opr[1] = rand(1,i) * 10 + rand(0,j);
issue.result = issue.opr[0] - issue.opr[1];
break;
case 'add_2_1':
i = rand(1,9);
j = rand(0,9);
issue.opr[0] = i * 10 + j;
issue.op[0] = '+';
issue.opr[1] = (i < 9) ? rand(0,9) : rand(0, 9 - j);
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'add_1_2':
i = rand(1,9);
j = rand(1,9);
issue.opr[0] = i;
issue.op[0] = '+';
issue.opr[1] = (j == 9) ? j*10 + rand(0,9 - i) : j * 10 + rand(0, 9);
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'sub_2_1':
i = rand(1,9);
j = rand(0,9);
issue.opr[0] = i*10 + j;
issue.op[0] = '-';
issue.opr[1] = rand(0,9);
issue.result = issue.opr[0] - issue.opr[1];
break;
case 'mul_1_1':
i = rand(1,9);
j = rand(1,9);
issue.opr[0] = i;
issue.op[0] = 'x';
issue.opr[1] = j;
issue.result = issue.opr[0] * issue.opr[1];
break;
case 'addmul_2_1_1':
i = rand(1,99);
j = rand(1,9);
k = rand(1,9);
issue.op_n = 2;
issue.opr[0] = i;
issue.op[0] = '+';
issue.opr[1] = j;
issue.op[1] = 'x';
issue.opr[2] = k;
issue.result = issue.opr[0] + issue.opr[1] * issue.opr[2];
break;
case 'submul_2_1_1':
j = rand(1,9);
k = rand(1,9);
i = rand(j*k,100);
issue.op_n = 2;
issue.opr[0] = i;
issue.op[0] = '-';
issue.opr[1] = j;
issue.op[1] = 'x';
issue.opr[2] = k;
issue.result = issue.opr[0] - issue.opr[1] * issue.opr[2];
break;
case 'muladd_1_1_2':
i = rand(1,9);
j = rand(1,9);
k = rand(1,99);
issue.op_n = 2;
issue.opr[0] = i;
issue.op[0] = 'x';
issue.opr[1] = j;
issue.op[1] = '+';
issue.opr[2] = k;
issue.result = issue.opr[0] * issue.opr[1] + issue.opr[2];
break;
case 'mulsub_1_1_2':
i = rand(4,9);
j = rand(4,9);
k = rand(1,i*j);
issue.op_n = 2;
issue.opr[0] = i;
issue.op[0] = 'x';
issue.opr[1] = j;
issue.op[1] = '-';
issue.opr[2] = k;
issue.result = issue.opr[0] * issue.opr[1] - issue.opr[2];
break;
case 'sub9':
j = rand(1,8);
i = rand(j+1,9);
issue.opr[0] = i * 10 + rand(0,9);
issue.op[0] = '-';
issue.opr[1] = j * 10 + 9;
issue.result = issue.opr[0] - issue.opr[1];
break;
case 'sub012':
i = rand(2,9);
j = rand(0,2);
issue.opr[0] = i * 10 + rand(5,9);
issue.op[0] = '-';
issue.opr[1] = rand(0,i-1) * 10 + j;
issue.result = issue.opr[0] - issue.opr[1];
break;
case 'add012':
i = rand(1,8);
j = rand(1,9 - i);
k = rand(0,2);
issue.opr[0] = i * 10 + rand(0,9 - k);
issue.op[0] = '+';
issue.opr[1] = j * 10 + k;
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'mix_2_1':
i = rand(0,4) * 2;
j = (i + 10) / 2;
issue.opr[0] = j * 10 + i;
issue.op[0] = '+';
issue.opr[1] = rand(1,(9-j)) * 10 + j;
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'addn_2_2':
/* add with no carry but at least a[2] + b[1] >= 10
or a[1] + b[2] >= 10 to test whether it will confuse her*/
do {
i = rand(1,8);
j = rand(0,9);
k = rand(0, 9-j);
l = rand(1, 9-i);
} while (i + k < 10 && j + l < 10);
issue.opr[0] = i * 10 + j;
issue.op[0] = '+';
issue.opr[1] = l * 10 + k;
issue.result = issue.opr[0] + issue.opr[1];
break;
case 'wrong':
i = current_wrong;
j = 0;
/* op number */
k = wrong_issues[i][j++];
issue.op_n = k;
issue.opr[0] = wrong_issues[i][j++];
issue.op[0] = wrong_issues[i][j++];
issue.opr[1] = wrong_issues[i][j++];
if (k == 2) {
issue.op[1] = wrong_issues[i][j++];
issue.opr[2] = wrong_issues[i][j++];
}
issue.result = wrong_issues[i][j];
current_wrong ++;
if (current_wrong == wrong_issues.length) {
current_wrong = 0;
}
break;
default:
alert("unknown type=" + type);
}
return issue;
}
/* genrate n issues of given type */
function generate_issues(type, n)
{
var issues = new Array(n);
for (var i = 0; i < n; i ++)
issues[i] = generate_issue(type);
return issues;
}
/* store all generated issues. Maximum pages * cells per page/table */
var MAX_PAGES = 20;
var CELLS_PER_PAGE = 50;
var cells = new Array(MAX_PAGES * CELLS_PER_PAGE);
/* which op mode we are in:
0: specify type for each column
1: specify quantity of each type then mix
*/
var current_mode = 0;
/* how many page generated, user can choose between 1-MAX_PAGES */
var old_total_pages = 0;
var total_pages = 0;
function print_issue(issue, show_answer)
{
var s = '<td> ';
s += issue.opr[0];
s += issue.op[0];
s += issue.opr[1];
if (issue.op_n == 2) {
s += issue.op[1];
s += issue.opr[2];
}
s += '=';
if (show_answer)
s += issue.result;
s += '</td>'
return s;
}
function create_table(p)
{
var tab;
tab = document.createElement("table");
tab.innerHTML = '<table class="table"></table>' ;
tab.setAttribute("id", "mytab" + p);
for (var r=0; r < 11; r++) {
tr = tab.insertRow(r);
if (r == 0) {
tr.innerHTML = '<tr> <td></td> \
<td colspan="1" align="center">姓名：</td> \
<td colspan="1" align="center">班级：</td> \
<td colspan="1" align="center">时间：</td> \
<td></td> </tr>';
} else {
for (var c = 0; c < 5; c++) {
tr.insertCell(c);
}
}
}
var d = document.getElementById("tabdiv");
d.appendChild(tab);
return tab;
}
function show_issues()
{
var p, r, c;
var tab, tr, td;
var show_answer = document.getElementById("show_answer_cb").checked;
for (p = 0; p < total_pages; p++) {
tab = document.getElementById("mytab" + p);
if (!tab) {
tab = create_table(p);
}
for (r = 0; r < 10; r ++) {
tr = tab.rows[r + 1];
for (c = 0; c < 5; c ++) {
td = tr.cells[c];
td.innerHTML = print_issue(cells[p*CELLS_PER_PAGE + c*10 + r], show_answer);
}
}
}
if (old_total_pages > total_pages) {
var d = document.getElementById("tabdiv");
for (p = old_total_pages - 1; p >= total_pages; p --) {
tab = document.getElementById("mytab" + p);
if (tab) {
d.removeChild(tab);
delete tab;
}
}
}
old_total_pages = total_pages;
}
function generate_mode1()
{
var cols = ["col1type", "col2type", "col3type", "col4type", "col5type"];
var mode, issues, i, j;
for (var p = 0; p < total_pages; p++) {
for (i = 0; i < 5; i ++ ) {
mode = document.getElementById(cols[i]).value;
issues = generate_issues(mode, 10);
for (j = 0; j < 10; j++) {
cells[p*CELLS_PER_PAGE + i*10 + j] = issues[j];
}
}
}
show_issues();
}
function generate_mode2()
{
var i, j, k, p;
var mode;
var input;
var issues;
var current_cells = new Array(CELLS_PER_PAGE);
var n = new Array(modes.length);
var total = 0;
for (i = 0; i < modes.length; i++ ) {
input = document.getElementById(modes[i][0]);
if (input)
n[i] = parseInt(input.value);
else
n[i] = 0;
total += n[i];
}
if (total != 50) {
alert("总题数应该是50，现在是" + total);
return;
}
for (p = 0; p < total_pages; p++ ) {
k = 0;
for (i = 0; i < modes.length; i++ ) {
if (n[i] > 0) {
issues = generate_issues(modes[i][0], n[i]);
for (j = 0; j < n[i]; j++) {
current_cells[k] = issues[j];
k++;
}
}
}
// random sort
current_cells = current_cells.sort(function(a,b){
return Math.random()>.5 ? -1 : 1;});
// store in global array
for (i = 0; i < CELLS_PER_PAGE; i++ )
cells[p * CELLS_PER_PAGE + i] = current_cells[i];
}
show_issues();
}
function generate()
{
var pages = document.getElementById("pages").value;
if (isNaN(pages) || pages < 1 || pages > MAX_PAGES) {
alert("无效的份数设置，必须是1-20之间的数字!" + pages);
return;
}
old_total_pages = total_pages;
total_pages = pages;
if (current_mode == 0)
generate_mode1();
else
generate_mode2();
}
function changetab(){
var tabs=document.getElementById("tab").getElementsByTagName("span");
for (i=0;i<tabs.length;i++){
tabs[i].onclick=tab;
}
}
function tab(){
var tabs=document.getElementById("tab").getElementsByTagName("span");
var cts=document.getElementById("ct").getElementsByTagName("div");
for (i=0;i<tabs.length;i++){
tabs[i].className="";
cts[i].className="";
if (tabs[i]==this){
tabs[i].className="tab";
cts[i].className="ct";
current_mode = i;
}
}
}
/* fill in the mode lists */
function create_options()
{
var i, j;
var select, select_html;
var list, li;
for (i = 1; i < 6; i++) {
select = document.getElementById("col" + i + "type");
for (j = 0; j < modes.length; j++ )
select.options.add(new Option(modes[j][1], modes[j][0]));
}
list = document.getElementById("mode_option_list");
for (i = 0; i < modes.length; i++ ) {
li = document.createElement("li");
li.innerHTML = '<li class="mixmode">' + modes[i][1] + '<input id="' +
modes[i][0] +'" type="text" value="0" size="2"/> </li>';
list.appendChild(li);
}
}
window.onload=function (){
changetab();
create_options();
generate();
}
function printme()
{
$("#tabdiv").print();
}
function saveasword()
{
$("table").tableExport({type:'doc',escape:'false', excelstyles:['height','width','text-align','font-size','align']});
}
function saveaspdf()
{
$("table").tableExport({type:'pdf', fileName:'issues', pdfmake:{enabled:true}});
}
</script>
<center> <h2 id="tab">
<span class="tab">按列选模式生成</span>
<span>按模式数量混合生成</span>
</h2></center>
<div id="ct" align="center">
<div class="ct">
<ul>
<li class="colmode">
第1列: <select id="col1type">
</select>
</li>
<li class="colmode">
第2列: <select id="col2type">
</select>
</li>
<li class="colmode">
第3列: <select id="col3type">
</select>
</li>
<li class="colmode">
第4列: <select id="col4type">
</select>
</li>
<li class="colmode">
第5列: <select id="col5type">
</select>
</li>
</ul>
</div>
<div>
<ul id="mode_option_list"> </ul>
</div>
</div>
<div id="act" align="center">
<div class="act" align="center">
<input type="button" value="重新生成" onclick="generate()" />
<input type="text" value="1" id="pages" size="2"/>份
<input type="button" value="打印习题" onclick="printme()" />
<input type="button" value="另存为word" onclick="saveasword()" />
<!---
<input type="button" value="另存为pdf" onclick="saveaspdf()" />
---!>
<input type="checkbox" id="show_answer_cb" value="answer" onclick="show_issues()"/>显示答案
</div>
</div>
<div id="tabdiv" class="print_section" align="center" width="100%">
</div>
</body>
</html>