我得到了
“需要名为ParamEmail的参数”
CREATE (user:Owner {
email:{paramEmail},
password:{paramPassword},
name:{paramName},
category:{paramCategory}})
RETURN properties(user),
{
paramEmail: "555@ali.com",
paramPassword: "5555555",
paramName: "Tony",
paramCategory: "Category"
}
params: {parama:a,paramb:b,paramc:c}
neo4jSession
.run ("MATCH (user {email : {paramEmail}}) RETURN count(user)=1 as user_exists",{ paramEmail: newUser.email})
.then (function(result) {
console.log("Neo4j Session started");
if ( result.records[0].get('user_exists') !== true )
{
neo4jSession
.run("CREATE (user:Owner {email:{paramEmail}, password:{paramPassword}, name:{paramName}, category:{paramCategory}}) RETURN properties (user)",
{params: {
paramEmail: newUser.email,
paramPassword: newUser.password,
paramName: newUser.name,
paramCategory: newUser.category
}})
// .run (CREATE (user:newUser.category {email: {newUser.email}, password: {newUser.password},
// name: {newUser.name}, mobilenumber: {newUser.mobilenumber}) ASSERT newUser.email is UNIQUE RETURN properties (user));
console.log( result.records[0].get("email") + " " + result.records[0].get("name") );
neo4jSession.close();
}
else // (found)
{
// email address already exist
console.log("email address already exist");
neo4jSession.close();
} //end o f else
//catch any system errors
.then (function(error)
{
neo4jSession.close();
console.log(error);
});
}) // end of .then
var neo4j = require('neo4j-driver').v1;
var neo4jdb = neo4j.driver("bolt://localhost:7474", neo4j.auth.basic("neo4j", "neo4j"),
{
trust: "TRUST_ON_FIRST_USE",
encrypted:true
});
var neo4jSession =neo4jdb.session();
console.log("Neo4j Session about to start")
//start neo4j session
neo4jSession
.run ("MATCH (user {email : {paramEmail}}) RETURN count(user)=1 as user_exists",{ paramEmail: newUser.email})
.then (function(result) {
console.log("Neo4j Session started")
if ( result.records[0].get('user_exists') !== true )
{
neo4jSession
.run("CREATE (user:Owner {email:{paramEmail}, password:{paramPassword}, name:{paramName},mobilenumber:{parammobileNumber}, category:{paramCategory}}) RETURN user",
{params: {
paramEmail: newUser.email,
paramPassword: newUser.password,
paramName: newUser.name,
parammobileNumber: newUser.mobilenumber,
paramCategory: newUser.category
}})
.then (function(result)
{
console.log(user.name);
neo4jSession.close();
})
.then (function(error)
{
neo4jSession.close();
console.log(error);
})
// .run (CREATE (user:newUser.category {email: {newUser.email}, password: {newUser.password},
// name: {newUser.name}, mobilenumber: {newUser.mobilenumber}) ASSERT newUser.email is UNIQUE RETURN properties (user));
console.log( result.records[0].get("email") + " " + result.records[0].get("name") );
neo4jSession.close();
}
else // (found)
{
// email address already exist
console.log("email address already exist");
neo4jSession.close();
} //end o f else
}) // end of .then
//catch any system errors
.then (function(error)
{
neo4jSession.close();
console.log(error);
});
除非最近发生了一些我不知道的变化,否则web界面不支持参数(尽管neo4j shell支持这些参数,并且是以编程方式支持的)。
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