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@@ -3,26 +3,124 @@
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<head>
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<!-- <link async rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"
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integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous"> -->
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- <script type="text/javascript" src="../js/jquery.min.js" crossorigin="anonymous"></script>
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- <link rel="stylesheet" href="../css/bootstrap.min.css" crossorigin="anonymous">
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- <script type="text/javascript" src="../js/bootstrap.min.js" crossorigin="anonymous"></script>
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- <link rel="stylesheet" href="../css/style.css">
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+ <script type="text/javascript" src="../js/jquery.min.js" crossorigin="anonymous"></script>
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+ <link rel="stylesheet" href="../css/bootstrap.min.css" crossorigin="anonymous">
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+ <script type="text/javascript" src="../js/bootstrap.min.js" crossorigin="anonymous"></script>
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+ <link rel="stylesheet" href="../css/style.css">
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<link rel="preconnect" href="https://fonts.gstatic.com">
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<link href="https://fonts.loli.net/css2?family=Anonymous+Pro:ital,wght@0,400;0,700;1,400;1,700
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&family=Noto+Serif+SC:wght@300;400;500;600;700&display=swap" rel="stylesheet">
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<title>化学</title>
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<style>
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iframe {
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- border: 1px solid rgb(173,173,173);
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+ border: 1px solid rgb(173, 173, 173);
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margin-top: 5px;
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border-radius: 5px;
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width: 100%;
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}
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</style>
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-<script id="MathJax-script" src="https://cdn.bootcss.com/mathjax/3.0.5/es5/tex-mml-chtml.js"></script>
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+ <script id="MathJax-script" src="https://cdn.bootcss.com/mathjax/3.0.5/es5/tex-mml-chtml.js"></script>
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<!-- <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> -->
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<script>
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+ var list = ['',
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+ 'H', 'He',
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+ 'Li', 'Be', 'B', 'C', 'N', 'O', 'F', 'Ne',
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+ 'Na', 'Mg', 'Al', 'Si', 'P', 'S', 'Cl', 'Ar',
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+ 'K', 'Ca', 'Sc', 'Ti', 'V', 'Cr', 'Mn', 'Fe', 'Co', 'Ni', 'Cu', 'Zn', 'Ga', 'Ge', 'As', 'Se', 'Br', 'Kr',
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+ 'Rb', 'Sr', 'Y', 'Zr', 'Nb', 'Mo', 'Tc', 'Ru', 'Rh', 'Pd', 'Ag', 'Cd', 'In', 'Sn', 'Sb', 'Te', 'I', 'Xe',
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+ 'Cs', 'Ba', 'La', 'Ce', 'Pr', 'Nd', 'Pm', 'Sm', 'Eu', 'Gd', 'Tb', 'Dy', 'Ho', 'Er', 'Tm', 'Yb', 'Lu', 'Hf', 'Ta', 'W', 'Re', 'Os', 'Ir', 'Pt', 'Au', 'Hg', 'Tl', 'Pb', 'Bi', 'Po', 'At', 'Rn',
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+ 'Fr', 'Ra', 'Ac', 'Th', 'Pa', 'U', 'Np', 'Pu', 'Am', 'Cm', 'Bk', 'Cf', 'Es', 'Fm', 'Md', 'No', 'Lr', 'Rf', 'Db', 'Sg', 'Bh', 'Hs', 'Mt', 'Ds', 'Rg', 'Cn', 'Nh', 'Fl', 'Mc', 'Lv', 'Ts', 'Og'
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+ ]
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+ var bracket = {}
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+
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+ function getco(str) {
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+ var n = str.length, ret = 0
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+ for (var i = 0; i < n; i++) {
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+ var ch = str.charAt(i)
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+ if (isNaN(ch)) break;
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+ ret *= 10;
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+ ret += ch - 0;
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+ }
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+ str=str.slice(i,n)
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+ return [ret,str,i]
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+ }
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+
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+ function workMolecule(str,st) {
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+ console.log(str,st)
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+ var n = str.length, co = 1;
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+ for (let i = 0; i < n; i++) {
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+
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+ }
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+ }
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+
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+ function parseMolecule(str) {
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+ str = str.replace(/[\[{]/g, "(").replace(/[\]}]/g, ")");
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+ var n = str.length, co = 1, stack = [], top = 0;
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+ for (let i = 0; i < n; i++) {
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+ var ch = str.charAt(i);
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+ console.log(i,ch)
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+ if (ch == '(') stack[top] = i, top++;
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+ else if (ch == ')') bracket[stack[top-1]] = i, bracket[i] = stack[top-1], top--;
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+ }
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+ console.log(bracket)
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+ var g=getco(str)
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+ co=g[0]
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+ workMolecule(g[1],g[2])
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+ }
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+
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+ function parseMolecute(formula) {
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+ var hash = {};
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+ var traverse = function (formula) {
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+ var str = "";
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+ var prev = ""; for (var i = 0; i < formula.length; i++) {
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+ var chr = formula.charAt(i);
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+ //如果当前字符是数字
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+ if (!isNaN(chr)) {
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+ //如果右边的字符也是数字
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+ //如"O12"，十二个氧原子
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+ if (!isNaN(formula.charAt(i + 1))) {
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+ chr += formula.charAt(i + 1); i++;
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+ }
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+ //转化为数字
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+ //"12" => 12
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+ chr = chr - 0;
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+ while (chr--) str += prev;
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+ } else if (chr === "(") {
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+ //剪切两个括号之间的内容，递归
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+ //如"Mg(OH)2"
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+ //"OH"递归
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+ var temp = formula.slice(i + 1);
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+ var pos = findBracket(temp);
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+ //=>"OH"
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+ prev = traverse(temp.slice(0, pos));
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+ //右括号位置")"
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+ i = pos + i + 1;
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+ //如果右括弧右边不是数字，直接拼接"OH"，无须相乘
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+ if (isNaN(formula.charAt(i + 1))) str += prev;
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+ }
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+ //如果当前字符右边是数字
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+ else if (formula.charAt(i + 1) && !isNaN(formula.charAt(i + 1))) prev = chr;
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+ //如果当前字符右边是小写字母，再右边是数字
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+ else if (formula.charCodeAt(i + 1) >= 97 && formula.charCodeAt(i + 1) <= 122 && formula.charAt(i + 2) && !isNaN(formula.charAt(i + 2))) {
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+ prev = chr + formula.charAt(i + 1); i++;
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+ } else str += chr;
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+ }
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+ //如"Mg(OH)2"
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+ //=> "MgOHOH"
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+ return str;
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+ }; var result = traverse(formula);
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+ //将字符串遍历，在hash中存储
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+ for (var i = 0; i < result.length; i++) {
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+ var nextCode = result.charCodeAt(i + 1); //例如"Mg","Fe","Cu"这样一个大写接一个小写的情况
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+ if (nextCode >= 97 && nextCode <= 122) {
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+ var key = result.charAt(i) + result.charAt(i + 1);
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+ i++;
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+ } else var key = result.charAt(i);
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+ if (hash[key]) hash[key] = hash[key] + 1;
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+ else hash[key] = 1;
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+ } return hash;
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+ }
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</script>
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</head>
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@@ -31,9 +129,11 @@
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<div>
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<div class="col-lg-6 col-md-6 col-xs-12">
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<div class="input-group">
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- <input type="text" value="CrI3+Cl2+KOH=K2CrO4+KIO4+KCl+H2O" class="form-control" oninput="$('#balBtn').attr('href','/chem?'+this.value)">
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+ <input type="text" placeholder="CrI3+Cl2+KOH=K2CrO4+KIO4+KCl+H2O" class="form-control"
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+ oninput="$('#balBtn').attr('href','/chem?'+((this.value=='')?'CrI3+Cl2+KOH=K2CrO4+KIO4+KCl+H2O':this.value))">
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<span class="input-group-btn">
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- <a type="button" class="btn btn-default" href="/chem?CrI3+Cl2+KOH=K2CrO4+KIO4+KCl+H2O" target="balFrame" id="balBtn">配平</a>
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+ <a type="button" class="btn btn-default" href="/chem?CrI3+Cl2+KOH=K2CrO4+KIO4+KCl+H2O"
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+ target="balFrame" id="balBtn">配平</a>
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<!-- <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">
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<span class="caret"></span>
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<span class="sr-only">切换下拉菜单</span>
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schtonn