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