常用js代码集

验证码

<img src="<{:url('publics/verify','id=login')}>"  onclick="this.src='{:url('publics/verify','id=login')}'">

json格式化显示

/**
 * 格式化显示json格式数据
 */
function formatJson(json, options) {
    var reg = null,
        formatted = '',
        pad = 0,
        PADDING = '    ';
    options = options || {};
    options.newlineAfterColonIfBeforeBraceOrBracket = (options.newlineAfterColonIfBeforeBraceOrBracket === true) ? true : false;
    options.spaceAfterColon = (options.spaceAfterColon === false) ? false : true;
    if (typeof json !== 'string') {
        json = JSON.stringify(json);
    } else {
        json = JSON.parse(json);
        json = JSON.stringify(json);
    }
    reg = /([{}])/g;
    json = json.replace(reg, '
$1
');
    reg = /([[]])/g;
    json = json.replace(reg, '
$1
');
    reg = /(\,)/g;
    json = json.replace(reg, '$1
');
    reg = /(

)/g;
    json = json.replace(reg, '
');
    reg = /
\,/g;
    json = json.replace(reg, ',');
    if (!options.newlineAfterColonIfBeforeBraceOrBracket) {        
        reg = /:
{/g;
        json = json.replace(reg, ':{');
        reg = /:
[/g;
        json = json.replace(reg, ':[');
    }
    if (options.spaceAfterColon) {         
        reg = /:/g;
        json = json.replace(reg, ': ');
    }
    $.each(json.split('
'), function(index, node) {
        var i = 0,
            indent = 0,
            padding = '';
        if (node.match(/{$/) || node.match(/[$/)) {
            indent = 1;
        } else if (node.match(/}/) || node.match(/]/)) {
            if (pad !== 0) {
                pad -= 1;
            }
        } else {
            indent = 0;
        }
        for (i = 0; i < pad; i++) {
            padding += PADDING;
        }
        formatted += padding + node + '
';
        pad += indent;
    });
    return formatted;
};