es 根据成绩排序:
由于成绩存放的方式: 语文-99 ,要根据成绩进行排序:
{
"sort":[
{
"_script":{
"script":{
"source":"def domain=doc['app.keyword'].value; def index =domain.indexOf('-'); def sorce = domian.substring(index+1); return Double.parseDouble(sorce)",
"lang": "painless"
},
"type":"number",
"order":"desc"
}
}
]
}