vue中使用$http.post请求传参的错误及解决_vue.js

	 handleAdd(node) {  		this.$http.post("/item/category/addCategory",{  				node:node  				})  				.then(({data})=>{  						this.$emit("close");  						this.$message.success("添加成功！");  				}).catch(() => {  				     this.$message.error("添加失败！");  				    });  				    }  

 handleAdd(node) {  		this.$http({  					method:'post',  					url:'/item/category/addCategory',  					data: node  				}).then(({data})=>{  						this.$emit("close");  						this.$message.success("添加成功！");  				}).catch(() => {               this.$message.error("添加失败！");              });              }  

 handleAdd(node) {  	this.$http.post("/item/category/addCategory",{  				node:this.$qs.stringify(node)  				})  				.then(({data})=>{  						this.$emit("close");  						this.$message.success("添加成功！");  				}).catch(() => {  				     this.$message.error("添加失败！");  				    });  	}  

 var json=[{"msg”：“123"}];   var temp=encodeURI(JSON.stringify(json));      //重点   var urls="http://202.114.207.232:8080/web/data?operations="+temp;              this.$axios({type:'post',url:urls, dataType:'json' }).then( res => { console.log(res) }).catch( e => { console.info(e) })

var Data=[{}]  var url = "http://111.111.111.111:8080/web/data";  var params = new URLSearchParams();  params.append("operations", JSON.stringify(Data));           //重点  // params.append('param2', 'value2');  that.$axios.post(url, params)      .then(response => {          // post 成功，response.data 为返回的数据          console.log(response.data)      })      .catch(error => {          // 请求失败          console.log(error)      })