SOURCE

//过滤请求参数中的空字符串，null和undefined值
const searchData = {
    job: 'teacher',
    name: '',
    age: null,
    sex: null,
    hobby: undefined,
    under_take_count: {
        target_type: 0,
        target_count_from: '',
        target_count_end: '',
    },
};
function handleData(data) {
    const keys = Object.keys(data);
    if (keys.length > 0) {
        keys.forEach(currentKey => {
            const currentVal = data[currentKey];
            debugger;
            if (!Array.isArray(currentVal) &&(currentVal instanceof Object) ) {
               data[currentKey]= handleData(currentVal);
            } else {
                if (['', null, undefined].includes(currentVal)) {
                    delete data[currentKey]
                }
            }
        })
    }
    return data;
};
console.log(handleData(searchData));