json object
Convert a null value type (null/undefined/) to an empty string, default: false
spliceUrlParam(\{"key1":"100","key2":true,"key3":null,"key4":undefined,"key5":"测试"\})
// ?key1=100&key2=true&key3=null&key4=undefined&key5=测试
spliceUrlParam(\{"key1":"100","key2":true,"key3":null,"key4":undefined,"key5":"测试"\}, \{ encode: true \})
// ?key1=100&key2=true&key3=null&key4=undefined&key5=%E6%B5%8B%E8%AF%95
spliceUrlParam(\{"key1":"100","key2":true,"key3":null,"key4":undefined\}, true)
// ?key1=100&key2=true&key3=&key4=
spliceUrlParam(\{"key1":"100","key2":true,"key3":null,"key4":undefined\}, \{ covert: true, withQuestionsMark: false \})
// key1=100&key2=true&key3=&key4=
splice url params