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July 14, 2017 16:06
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笔记:前端表单提交(一)- 7. serialize form
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// credit to form-serialize | |
// https://code.google.com/archive/p/form-serialize/ | |
function serialize(form) { | |
if (!form || form.nodeName !== "FORM") { | |
return; | |
} | |
var i, j, q = []; | |
for (i = form.elements.length - 1; i >= 0; i = i - 1) { | |
if (form.elements[i].name === "") { | |
continue; | |
} | |
switch (form.elements[i].nodeName) { | |
case 'INPUT': | |
switch (form.elements[i].type) { | |
case 'text': | |
case 'hidden': | |
case 'password': | |
case 'button': | |
case 'reset': | |
case 'submit': | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].value)); | |
break; | |
case 'checkbox': | |
case 'radio': | |
if (form.elements[i].checked) { | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].value)); | |
} | |
break; | |
case 'file': | |
break; | |
} | |
break; | |
case 'TEXTAREA': | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].value)); | |
break; | |
case 'SELECT': | |
switch (form.elements[i].type) { | |
case 'select-one': | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].value)); | |
break; | |
case 'select-multiple': | |
for (j = form.elements[i].options.length - 1; j >= 0; j = j - 1) { | |
if (form.elements[i].options[j].selected) { | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].options[j].value)); | |
} | |
} | |
break; | |
} | |
break; | |
case 'BUTTON': | |
switch (form.elements[i].type) { | |
case 'reset': | |
case 'submit': | |
case 'button': | |
q.push(form.elements[i].name + "=" + encodeURIComponent(form.elements[i].value)); | |
break; | |
} | |
break; | |
} | |
} | |
return q.join("&"); | |
} |
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