Extjs renderer属性

 function renderZero(value) {
        if (value == '0') return "0.0";
        if (value == '-') return "-";
        if (value != "" && String(value).indexOf('.') == -1) return value + ".0";
        else return value;
    }
 var airTemperatureColumns = [
    {
        header: 'xxxxx',
        align: 'center',
        renderer: renderZero,//返回的值如果没有小数,则调用该方法,返回值补0
        dataIndex: 'calendarYearAvg'
    }}]

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转载自blog.csdn.net/weixin_42666837/article/details/86609484